Migraine

Updated: April 24, 2024

Mail Whatsapp PDF Image

Background

Recurrent headaches, which can be mild to severe, are the hallmark of the complicated neurological disorder known as migraines. It often involves pulsating or throbbing pain, usually on one side of the head, although it can affect on both the sides. They are frequently accompanied by additional symptoms like vomiting, nausea, and intolerance to light, sound, or scent. 

Although the precise etiology of migraines remains unclear, a confluence of neurological, environmental, and genetic variables is thought to be responsible. Some common triggers include hormonal changes, certain foods or drinks (such as alcohol, caffeine, or aged cheeses), stress, lack of sleep, sensory stimuli (like bright lights or strong odors), and changes in weather or altitude. 

There are several types of migraines, including: 

  • Migraine without aura: This is the most prevalent kind, marked by medium to serious headaches without any warning signs in advance. 
  • Migraine with aura: Aura, or distinct warning indications, are seen by certain individuals before to the commencement of migraine headaches. Aura can cause changes in senses, difficulty speaking, and visual disturbances like blind patches or flashing lights. 
  • Chronic migraine: This refers to migraines that occur on 15 or more days per month, with at least 8 of those days involving migraine headaches. 
  • Menstrual migraine: Migraines that occur in relation to a woman’s menstrual cycle, often around the time of menstruation.

Epidemiology

  • Global Prevalence: Migraine is a widespread condition, affecting people across the globe. According to the World Health Organization (WHO), it is one of the top 20 causes of disability worldwide. The prevalence of migraines varies among different countries and regions. 
  • Gender Differences: Migraines are more common in women than in men. The peak prevalence often occurs during the reproductive years. Hormonal factors, particularly changes in estrogen levels, are thought to contribute to this gender difference. 
  • Age Distribution: While migraines can occur at any age, they often first appear in childhood, adolescence, or early adulthood. The frequency and characteristics of migraines may change with age. 
  • Family History and Genetics: There is a genetic component to migraines, and individuals with a family history of migraines are more likely to experience them. Specific genetic factors associated with migraines have been identified. 
  • Socioeconomic Factors: Migraines can affect individuals of all socioeconomic backgrounds, but there may be associations with certain socioeconomic factors. Access to healthcare and treatment options may vary based on socioeconomic status. 
  • Comorbidities: Migraines often coexist with other medical conditions. Common comorbidities include depression, anxiety, and other pain disorders. Understanding these associations can help in providing comprehensive care. 

Anatomy

Pathophysiology

Neurovascular Mechanism: 

  • Vasodilation and Vasoconstriction: Early theories suggested that migraines were primarily caused by blood vessel changes, with initial vasodilation (expansion of blood vessels) followed by vasoconstriction (narrowing of blood vessels). However, current research indicates that the vasodilation is likely secondary to other processes. 
  • Cortical Spreading Depression (CSD): CSD is caused by a wave of neuronal depolarization that propagates across the cerebral cortex. It is considered a key event in migraine with aura. CSD is thought to trigger changes in blood flow and release of inflammatory substances, contributing to the migraine headache. 

Neurochemical Imbalances: 

  • Serotonin (5-HT) Dysfunction: Changes in serotonin levels are implicated in migraines. Serotonin has a role in mood and pain perception control. During a migraine attack, there is evidence of a transient decrease in serotonin levels, which may contribute to the headache phase. 
  • Calcitonin Gene-Related Peptide (CGRP): CGRP is a neuropeptide that plays a role in vasodilation and inflammation. Elevated levels of CGRP have been observed during migraine attacks, and medications targeting CGRP or its receptors are being used as a new class of migraine-specific preventive treatments. 
  • Glutamate and Neurotransmitters: Abnormalities in glutamate, a neurotransmitter involved in excitatory signaling, have been implicated in migraine pathophysiology. Changes in neurotransmitter release and receptor sensitivity may contribute to the initiation and maintenance of migraines. 

Genetic Factors: 

  • Familial Predisposition: There is a strong genetic component to migraines, with a higher risk in individuals with a family history of migraines. Specific genetic variations may influence susceptibility to migraines and the response to triggers. 

Triggers and Environmental Factors: 

  • Hormonal Changes: Fluctuations in hormones, particularly estrogen, are associated with migraine attacks. Many women experience migraines related to the menstrual cycle. 
  • Stress, Sleep, and Environmental Factors: Emotional stress, lack of sleep, and exposure to certain environmental stimuli (such as bright lights, loud noises, or strong odors) can trigger migraines in susceptible individuals. 

Etiology

Genetic Factors: 

  • Family History: There is a strong genetic predisposition to migraines. Individuals with a family history of migraines are more likely to experience them, suggesting a hereditary component. 
  • Specific Genetic Markers: Certain genetic variations have been associated with an increased susceptibility to migraines. These variations may influence the function of neurotransmitters, receptors, and ion channels involved in migraine pathophysiology. 

Neurovascular Changes: 

  • Cortical Spreading Depression (CSD): A pulse of electricity that travels throughout the cerebral cortex causes alterations in blood flow and the production of inflammatory chemicals, which is the mechanism underlying this phenomena. CSD is believed to be involved in the aura phase of migraines. 
  • Vasodilation and Vasoconstriction: While the role of blood vessel changes in migraines has evolved, alterations in blood flow, possibly influenced by neurovascular mechanisms, are still considered part of the migraine process. 

Neurochemical Imbalances: 

  • Serotonin Dysfunction: One neurotransmitter that affects mood control and pain perception is serotonin. Changes in the serotonin levels have been implicated in migraine attacks, with a transient decrease observed during the headache phase. 
  • Calcitonin Gene-Related Peptide (CGRP): Elevated levels of CGRP, a neuropeptide involved in vasodilation and inflammation, have been associated with migraines. Medications targeting the CGRP pathway are being used for migraine prevention. 

Hormonal Influences: 

  • Estrogen Fluctuations: Hormonal changes, particularly fluctuations in estrogen levels, can trigger migraines in some individuals. Women often experience migraines related to their menstrual cycle, pregnancy, or menopause. 

Triggers and Environmental Factors: 

  • Stress: It is a common trigger for migraines. Changes in stress levels can contribute to the onset of an attack. 
  • Environmental Stimuli: Exposure to certain stimuli, such as bright lights, loud noises, strong odors, or specific foods and drinks (like alcohol, caffeine, and certain additives), can act as triggers for migraines. 

Genetics

Prognostic Factors

  • Frequency and Severity of Attacks: Individuals experiencing more frequent and severe migraine attacks may have a different prognosis than those with less frequent or milder episodes. 
  • Duration of Migraine History: The length of time an individual has been experiencing migraines can be a prognostic factor. Chronic migraine, defined as having migraines on 15 or more days per month, may have different implications for treatment and management compared to episodic migraine. 
  • Aura Presence: Migraines with aura (visual or sensory disturbances that precede or accompany the headache) may have different prognostic implications compared to migraines without aura. 
  • Response to Medications: How well an individual responds to acute and preventive medications can be a prognostic factor. Those who respond positively to treatment may have a more favorable prognosis in terms of symptom management. 
  • Impact on Quality of Life: One predictor of future outcomes may be how much a person’s quality of life and everyday functioning are affected by migraines. Severe impairment and disability may require more comprehensive management strategies.

Clinical History

Clinical Presentation with Age Group: 

Children and Adolescents (Up to 18 years old): 

  • Migraines in children often present as recurrent, throbbing headaches. 
  • Nausea, vomiting, and abdominal pain may be prominent symptoms. 
  • Attacks may be shorter in duration compared to adults. 

Young Adults (18 to 40 years old): 

  • Migraines in this age group may be associated with hormonal changes, especially in women. 
  • Visual disturbances (aura) may occur in some individuals. 
  • Trigger factors, such as stress or irregular sleep patterns, may become more noticeable. 

Middle-aged Adults (40 to 60 years old): 

  • Migraines may persist but can evolve in presentation. 
  • Hormonal factors, stress, and lifestyle changes may continue to play a role. 
  • Coexisting medical conditions like hypertension or cardiovascular issues may impact treatment decisions. 

Seniors (60 years and older): 

  • Migraines may persist but can sometimes decrease in frequency. 
  • Management may be complicated by other age-related health issues and medication interactions. 
  • Associated Comorbidities or Activities: 

Psychiatric Comorbidities: 

  • Anxiety and depression are commonly associated with migraines. 
  • Effective management may require a holistic approach addressing both mental health and migraine symptoms. 

Cardiovascular Comorbidities: 

  • They have been associated with an increased risk of certain cardiovascular conditions, such as stroke and coronary artery disease. 

Sleep Disorders: 

  • Sleep disturbances, including sleep apnea, can influence the frequency and severity of migraines. 

Pregnancy-Related Factors: 

  • For women, migraines may be affected by hormonal changes during pregnancy or menopause. 
  • Management considerations during pregnancy involve balancing the need for relief with the safety of medications. 

Lifestyle Factors: 

  • Certain activities or habits, such as irregular sleep patterns, skipping meals, or excessive caffeine intake, can trigger migraines. 
  • Acuity of Presentation: 

Gradual Onset: 

  • Migraine attacks often have a gradual onset, with symptoms intensifying over time. 

Aura Phase: 

  • Some individuals experience an aura before the headache phase, involving visual disturbances, sensory changes, or other neurological symptoms. 

Severe Headache: 

  • The headache phase is typically characterized by severe, throbbing pain, often on one side of the head. 

Nausea and Vomiting: 

  • Nausea and vomiting are common symptoms during a migraine attack, contributing to the overall acuity of the presentation. 

Physical Examination

  • General Physical Examination: A comprehensive physical examination is performed to evaluate general health and spot any indications of systemic diseases that might be causing headaches. 
  • Neurological Examination: A neurological examination is crucial to rule out other neurological conditions that may mimic migraine symptoms. It includes assessing cranial nerves, reflexes, coordination, muscle strength, and sensation. 
  • Head and Neck Examination: Examination of the head and neck can help identify potential triggers or contributing factors. This may include assessing the temporomandibular joint (TMJ) for tenderness and examining the neck muscles for tension. 
  • Blood Pressure Measurement: Monitoring blood pressure is important to rule out hypertensive emergencies or other cardiovascular issues that may cause headaches. 
  • Eye Examination: An eye examination may be conducted to rule out eye-related issues that could contribute to headaches. This includes checking for visual disturbances and assessing eye movements. 
  • Assessment of Trigger Points: Some individuals with migraines may have trigger points in the head, neck, or shoulder muscles. Palpation of these areas can help identify tender points and areas of muscle tension. 

Age group

Associated comorbidity

Associated activity

Acuity of presentation

Differential Diagnoses

  • Tension-Type Headache (TTH): Tension-type headaches are characterized by a mild to moderate, non-pulsating, band-like pressure or tightness around the head. They do not typically have the accompanying features of migraines, such as nausea, vomiting, or sensitivity to light and sound. 
  • Cluster Headache: Cluster headaches are severe, one-sided headaches that occur in clusters or cyclical patterns. They are often accompanied by eye tearing, nasal congestion, and restlessness. Unlike migraines, cluster headaches are of shorter duration but can be extremely intense. 
  • Sinusitis: It may be associated with other symptoms like nasal congestion, discharge, and facial tenderness. 
  • Temporal Arteritis (Giant Cell Arteritis): Temporal arteritis is an inflammation of the temporal arteries, causing severe headache, jaw pain, and visual disturbances. 
  • Intracranial Lesions: Structural abnormalities or lesions within the brain, such as tumors, vascular malformations, or infections, can cause persistent headaches. Imaging studies (MRI or CT scans) may be necessary to rule out such conditions. 
  • Hypertension-related Headaches: Severe or acute increases in blood pressure can lead to headaches. However, chronic hypertension typically does not cause headaches, and other symptoms such as dizziness and visual disturbances may be present in hypertensive emergencies. 
  • Medication Overuse Headache: Overuse of certain medications, particularly analgesics or migraine-specific medications, can lead to rebound headaches. Identifying and discontinuing the offending medications can resolve these headaches. 
  • Post-Traumatic Headache: Headaches following a head injury or concussion may have characteristics similar to migraines. A thorough history and evaluation of the injury are important for accurate diagnosis. 
  • Hormonal Headaches: Fluctuations in hormonal levelsduring the menstrual cycle, pregnancy, or menopause, can lead to headaches. Menstrual migraines may share some features with hormonal headaches. 

Laboratory Studies

Imaging Studies

Procedures

Histologic Findings

Staging

Treatment Paradigm

Lifestyle Modifications: 

  • Identify and avoid triggers: To find possible headache triggers, such as particular meals, sleep deprivation, stress, or hormonal changes, keep a headache journal. Once identified, make an effort to limit your exposure to these stressors. 
  • Regular sleep: Maintain a consistent sleep schedule, ensuring you get adequate and regular sleep. 
  • Hydration: To keep hydrated all day, drink a lot of water. 
  • Stress management: Practice relaxation techniques, meditation, and stress-reducing activities to manage stress levels. 

Acute or Abortive Medications: 

  • Over-the-counter (OTC) medications: Pain relievers such as naproxen sodium,ibuprofen, or aspirin may be effective for mild to moderate migraines. 
  • Prescription medications: Triptans (sumatriptan, rizatriptan, etc.) are often prescribed for moderate to severe migraines. They work by narrowing blood vessels and blocking pain pathways in the brain. 

Preventive Medications: 

  • Prescription medications: If migraines are frequent or severe, a healthcare provider may recommend preventive medications. These can include beta-blockers (propranolol), anticonvulsants (topiramate), tricyclic antidepressants (amitriptyline), or CGRP (calcitonin gene-related peptide) monoclonal antibodies. 
  • Botulinum toxin (Botox): Injections of Botox may be considered for chronic migraines (15 or more headache days per month, with at least 8 being migraines). 

Non-Pharmacological Approaches: 

  • Biofeedback and Relaxation Techniques: These can assist people in decreasing the frequency and intensity of migraines by teaching them how to regulate physiological processes like heart rate and muscular tension. 
  • Cognitive Behavioral Therapy (CBT): CBT can be effective in managing stress and changing patterns of thinking that may contribute to migraines. 

Alternative Therapies: 

  • Some people find relief through acupuncture, chiropractic care, or herbal supplements. However, the evidence supporting the effectiveness of these approaches varies. 

by Stage

by Modality

Chemotherapy

Radiation Therapy

Surgical Interventions

Hormone Therapy

Immunotherapy

Hyperthermia

Photodynamic Therapy

Stem Cell Transplant

Targeted Therapy

Palliative Care

use-of-a-non-pharmacological-approach-for-treating-migraine

Biofeedback: Biofeedback involves learning to control physiological functions such as heart rate,muscle tension, and skin temperature. This technique can help individuals gain better awareness and control over physical responses associated with migraines. 

Relaxation Techniques:  Deep breathing exercises, progressive muscle relaxation, and guided imagery are a few techniques that can reduce tension and induce calm, both of which can be linked to migraine symptoms. 

Cognitive Behavioral Therapy (CBT): It is a type of psychotherapy where the goal is to recognize and alter unfavorable thinking patterns and behavior patterns. It is effective in managing stress and improving coping mechanisms, potentially reducing migraine frequency. 

Lifestyle Modifications: 

  •  Identify and avoid triggers: Keeping a headache diary to track potential triggers and avoiding them can be a crucial non-pharmacological strategy. 
  • Regular sleep: Maintaining a consistent sleep schedule, ensuring adequate and quality sleep, can help prevent migraines triggered by changes in sleep patterns. 
  • Hydration and nutrition: A balanced diet and adequate hydration might improve general health and perhaps lessen the frequency of migraine attacks. 

Acupuncture: It involves inserting of thin needles into the specific points on the body. Some people find relief from migraines through acupuncture, although the evidence is mixed, and individual responses may vary. 

Chiropractic Care: Some individuals may benefit from chiropractic adjustments, particularly if musculoskeletal issues contribute to their migraines. However, the effectiveness of chiropractic care for migraines is still a subject of debate, and it may not work for everyone. 

Physical Exercise: Frequent exercise helps lower stress and enhance general wellbeing. Walking, swimming, and yoga are a few exercises that may help reduce the incidence of migraines. 

Role of Serotonin 5-HT1F Agonists in the treatment of Migraine

 Serotonin 5-HT1F agonists, also known as “ditans,” are a relatively new class of medications used in the treatment of migraines. They differ from the more established class of triptans, which primarily target the 5-HT1B/1D receptors. 

Lasmiditan: It is currently the only 5-HT1F agonist approved for the acute treatment of migrainesSerotonin 5-HT1F agonists, like lasmiditan, selectively activate serotonin receptors (5-HT1F receptors) in the trigeminal nerve pathway. This activation prevents the production of neuropeptides that are important in migraine-related pain signals.

Role of Serotonin 5-HT-Receptor Agonists in the treatment of Migraine

Serotonin (5-HT) receptor agonists, commonly known as triptans, play a crucial role in the acute treatment of migraines. These medications target specific serotonin receptors, primarily the 5-HT1B and 5-HT1D receptors, leading to vasoconstriction of dilated blood vessels and inhibition of the release of pro-inflammatory neuropeptides. Triptans are effective in relieving migraine symptoms and are widely used for acute migraine attacks. 

  • Sumatriptan (Imitrex): One of the first triptans introduced and available in various forms, including tablets, nasal spray, and injections. 
  • Rizatriptan (Maxalt): Available in orally disintegrating tablets and regular tablets, it is known for its relatively fast onset of action. 
  • Zolmitriptan (Zomig): Available in oral tablets and nasal spray formulations. 
  • Eletriptan (Relpax): Known for its longer half-life compared to some other triptans, it is available in oral tablet form. 
  • Naratriptan (Amerge): Has a longer duration of action and is available in oral tablet form. 
  • Almotriptan (Axert): Has a longer half-life and is available in oral tablet form. 

Role of Ergot Derivatives in the treatment of Migraine

Ergot derivatives, also known as ergot alkaloids, have historically been used in the treatment of migraines. These drugs work by interfering with serotonin along with other receptors, causing vasoconstriction and inhibiting certain neurotransmitters implicated in migraine pathogenesis. However, their use has declined in recent years due to the introduction of safer and more effective medications, such as triptans. Derivatives of ergot are often saved for situations when first-line therapies are either ineffective or poorly tolerated.  

  • Ergotamine: Ergotamine is a classic ergot derivative used in the treatment of migraines. It is available in various formulations, including oral tablets, sublingual tablets, and rectal suppositories. 
  • Dihydroergotamine (DHE): This is a semisynthetic ergot alkaloid that is more commonly used today than ergotamine. DHE is available in injectable forms (intravenous or intramuscular) and as a nasal spray.

Role of Analgesics in treating Migraine

Analgesics, or pain relievers, are commonly used in the treatment of migraines, especially for milder attacks or when other specific migraine medications are not suitable.For moderate to severe migraines or when over-the-counter analgesics are not effective, specific migraine medications such as triptans or ergot derivatives may be more appropriate. These medications target the underlying mechanisms of migraines, including blood vessel dilation and neurogenic inflammation. 

Nonsteroidal Anti-Inflammatory Drugs (NSAIDs): 

  • Ibuprofen: Ibuprofen is an NSAID that can be effective in relieving mild to moderate migraines. It functions by inhibiting pain impulses and lowering inflammation. 
  • Naproxen Sodium: Similar to ibuprofen, naproxen sodium is an NSAID that can help alleviate migraine symptoms. Because of its prolonged duration of action, fewer doses are necessary. 

Acetaminophen (Paracetamol): 

  • Acetaminophen: While not an NSAID, acetaminophen is a common over-the-counter analgesic that may provide some relief for mild migraines. It functions by lessening the brain’s pain signals. 

Role of Antipsychotics in the treatment of Migraine

Antipsychotic medications, although primarily used to treat psychiatric conditions such as schizophrenia and bipolar disorder, have shown some efficacy in the treatment of migraines, particularly in certain cases where other treatments have failed or are not well-tolerated. Although the precise method by which antipsychotics prevent migraines is not entirely known, it is thought to be related to their effects on neurotransmitters including norepinephrine, dopamine, and serotonin, which are also important in the pathophysiology of migraines. 

  • Olanzapine (Zyprexa): Olanzapine, an atypical antipsychotic, has been studied for its effectiveness in migraine prevention. It has demonstrated potential in reducing migraine frequency and intensity, especially in those who suffer from chronic migraines. 
  • Quetiapine (Seroquel): Quetiapine is another atypical antipsychotic that has been investigated for migraine prevention. While not as extensively studied as olanzapine, it has shown some benefit in reducing migraine frequency and severity in certain individuals. 
  • Risperidone (Risperdal): Risperidone is a widely used atypical antipsychotic that has been studied for its potential role in migraine treatment. It may be considered in cases where other preventive medications have failed. 
  • Aripiprazole (Abilify): Aripiprazole is another atypical antipsychotic that has been explored for migraine prevention. It has shown some efficacy in reducing migraine frequency and severity, although more research is needed to establish its role definitively. 

Role of Anti-convulsant in the treatment of migraine

Anticonvulsant medications are often used as preventive or prophylactic treatment for migraines in individuals who experience frequent or severe attacks. They are typically considered when other preventive medications or lifestyle modifications have not been successful or are not well-tolerated. 

  • Topiramate (Topamax): Topiramate is one of the most commonly prescribed anticonvulsants for migraine prevention. It is believed to reduce neuronal excitability and modulate neurotransmitters. It has shown efficacy in reducing the frequency and severity of migraine attacks. 
  • Valproic Acid (Depakote): Valproic acid is another anticonvulsant that has been used for migraine prevention. It is thought to have a stabilizing effect on neuronal membranes and modulate neurotransmitter release. However, it is generally considered a second-line option due to potential side effects, especially in women of childbearing potential. 
  • Gabapentin (Neurontin): While more commonly used for neuropathic pain, gabapentin has also been studied for migraine prevention. Although its exact method of preventing migraines is unclear, it is thought to work via adjusting neurotransmitter release. 
  • Pregabalin (Lyrica): Pregabalin, similar to gabapentin, is used for various neuropathic conditions. It has been investigated for its potential role in migraine prevention, although more research is needed to establish its efficacy definitively. 

Role of <a class="wpil_keyword_link" href="https://medtigo.com/drug/calcium-magnesium-potassium-and-sodium-oxybate/" title="calcium" data-wpil-keyword-link="linked" data-wpil-monitor-id="854">calcium</a> channel blockers in treating migraine

Calcium channel blockers (CCBs) are a class of medications that block the entry of calcium into cells, including cells in blood vessel walls. They are primarily known for their use in cardiovascular conditions, but some CCBs have shown effectiveness in the prevention of migraines. 

Verapamil: Verapamil is a commonly used calcium channel blocker for migraine prevention. It has shown efficacy in reducing the frequency and severity of migraine attacks. Verapamil is available in different formulations, including immediate-release and extended-release. 

Flunarizine: Although not available in all countries, flunarizine is a calcium channel blocker with antimigraine properties. It has been shown to be effective in reducing migraine frequency and severity. Flunarizine is used more widely in some regions, but its availability may vary. 

Role of Beta-1 Selective Beta Blockers in the treatment of migraine

Beta blockers lessen the frequency and intensity of migraine attacks. They are often considered when other preventive measures or medications are not suitable or have not been effective.Beta blockers work by blocking beta-adrenergic receptors, leading to several effects that are relevant to migraine prevention. They reduce vasodilation (expansion of blood vessels), which can contribute to the normalization of blood flow and reduce the risk of vasospasm, a potential trigger for migraines. Beta blockers also modulate neurotransmitters such as norepinephrine, serotonin, and dopamine, which are involved in migraine pathophysiology. 

  • Propranolol (Inderal): Propranolol is one of the most commonly prescribed beta blockers for migraine prevention.It has been demonstrated to be useful in lowering migraine attack frequency and intensity. Since propranolol inhibits both the beta-1 and beta-2 receptors, it is a not selective beta blocker. 
  • Metoprolol (Lopressor): Metoprolol is a beta-1 selective blocker and is another option for migraine prevention. It is generally well-tolerated and has shown efficacy in reducing migraine frequency. 
  • Timolol (Blocadren): Timolol, a non-selective beta blocker, has been studied for migraine prevention and is available in oral and ophthalmic (eye drop) formulations. The eye drop form is also used to prevent certain types of headaches, including migraines. 
  • Atenolol (Tenormin): Atenolol is another beta-1 selective blocker that has been investigated for migraine prevention. It is generally well-tolerated but may be less commonly prescribed than some other beta blockers for this indication. 

use-of-intervention-with-a-procedure-in-treating-migraine

Occipital Nerve Blocks: 

  • A local anesthetic and occasionally a corticosteroid are injected around the occipital nerves, which are found in the back of the head, during an occipital nerve block. 
  • Particularly for migraines affecting the occipital area, these injections can aid with pain relief and migraine frequency reduction. 

Botox Injections (OnabotulinumtoxinA): 

  • Botox injections involve the administration of botulinum toxin type A into specific muscles in the head and neck. 
  • Though mostly associated with cosmetic applications, adult patients with chronic migraines—defined as more than fifteen headache days per month—can now receive Botox injections as a preventative measure. 
  • Some people may find that Botox injections lessen the frequency and intensity of their migraines, while their exact mechanism of action is unclear. 

SPG (Sphenopalatine Ganglion) Blocks: 

  • SPG blocks involve the administration of local anesthetic to the sphenopalatine ganglion, a cluster of nerve cells located behind the nose. 
  • These blocks can provide relief for acute migraine attacks and may also have a preventive effect when performed regularly. 

Greater Occipital Nerve Stimulation (ONS): 

  • ONS involves the implantation of electrodes near the greater occipital nerves, which are thought to be involved in migraine pathophysiology. 
  • These electrodes deliver mild electrical impulses to modulate nerve activity and reduce migraine symptoms. 

Percutaneous Radiofrequency Ablation: 

  • Percutaneous radiofrequency ablation involves the use of heat generated by radiofrequency energy to disrupt nerve pathways involved in migraine transmission. 
  • This procedure targets specific nerves believed to play a role in migraine generation and can provide long-lasting relief in some cases. 

Transcranial Magnetic Stimulation (TMS): 

  • Magnetic pulses are used in this non-invasive technique to activate specific brain regions. 
  • While primarily studied for its antidepressant effects, TMS has also shown promise in migraine treatment, particularly for acute migraine attacks. 

use-of-phases-in-managing-migraine

Prodromal Phase: 

  • The prodromal phase refers to the period before the onset of the headache when subtle symptoms may occur, serving as a warning sign of an impending migraine attack. 
  • Symptoms during this phase can vary widely but may include mood changes, food cravings, increased thirst, fatigue, or changes in bowel habits. 
  • Management during the prodromal phase may involve recognizing these early signs and taking preventive measures, such as ensuring adequate hydration, getting enough rest, avoiding triggers, and taking preventive medications if prescribed. 

Aura Phase (if present): 

  • Not all individuals with migraines experience an aura, but for those who do, it typically occurs before or during the headache phase. 
  • Auras are usually visual disturbances but can also involve sensory, motor, or speech disturbances. Visual auras may include flashing lights, zigzag lines, or blind spots. 
  • Management during the aura phase may involve finding a quiet, dark environment to rest and minimizing exposure to triggers if possible. Some individuals may benefit from specific medications to alleviate aura symptoms if prescribed by their healthcare provider. 

Headache Phase: 

  • The headache phase is characterized by the throbbing or pulsating headache typically associated with migraines. Other symptoms including light and sound sensitivity, nausea, vomiting, and trouble concentrating might accompany it. 
  • Medications are frequently used as part of acute therapy for headaches in order to reduce pain and related symptoms. This may include over-the-counter analgesics, prescription migraine-specific medications (such as triptans), antiemetics for nausea, or combination medications. 
  • Non-pharmacological approaches such as rest in a quiet, dark room, applying cold packs to the head or neck, and practicing relaxation techniques may also help alleviate symptoms during the headache phase. 

Postdromal Phase: 

  • Also known as the migraine “hangover,” the postdromal phase occurs after the headache has resolved and is characterized by residual symptoms such as fatigue, mood changes, difficulty concentrating, and generalized malaise. 
  • Management during the postdromal phase typically involves rest, hydration, and gentle activities to promote recovery. Ensuring adequate sleep, nutrition, and stress management may also help minimize the duration and severity of postdromal symptoms. 

Medication

 

celecoxib

120

mg

Orally 

once a day



sumatriptan 

Tablet:

25mg,50mg, and 100mg taken orally
Do not exceed 100mg/dose
Maximum dose-200mg
Injection
6mg/0.5ml subcutaneous
Do not exceed 12mg subcutaneously every 24 hours



lasmiditan 

Indicated for acute migraine
50 mg or 100 mg, or 200 mg orally as needed
Do not exceed > 1 dose a day



eptinezumab 

100 mg intravenously every 3 months
In some patients, the dose can be increased to 300 mg



rimegepant 

75 mg orally as needed



zavegepant 

Indicated for the acute treatment of migraine with or without aura via intranasal administration:



10 mg (single spray) in one nostril; as needed
The total daily dose should not exceed 10 mg per 24 hours

Note:

The safety and effectiveness of using zavegepant to treat > 8 migraines in a 30-day period have not been established



Dose Adjustments

Renal impairment:

CrCl is ≥30 mL/min: No dosage adjustment is necessary
CrCl <30 mL/min: zavegepant should be avoided

Hepatic impairment:

Child-Pugh class A or B: No dosage adjustment is necessary
Child-Pugh class C: Should be avoided in patients with severe hepatic impairment

zavegepant 

Indicated for the acute treatment of migraine with or without aura via intranasal administration:



10 mg (single spray) in one nostril; as needed
The total daily dose should not exceed 10 mg per 24 hours

Note:
The safety and effectiveness of using zavegepant to treat > 8 migraines in a 30-day period have not been established



Dose Adjustments

Dosage Modifications:

Renal impairment:

CrCl is ≥30 mL/min: No dosage adjustment is necessary
CrCl <30 mL/min: zavegepant should be avoided

Hepatic impairment:

Child-Pugh class A or B: No dosage adjustment is necessary
Child-Pugh class C: Should be avoided in patients with severe hepatic impairment

rizatriptan 

5 to 10 mg orally when symptoms start; if needed, repeat the dose after 2 hours. Do not exceed 30 mg per day



Dose Adjustments

Individuals using propranolol: Do not exceed 15 mg per day.

butterbur 


50 mg of extract orally three times a day
Or
100 mg of extract orally two times a day, then 50 mg of extract orally two times a day
Allergic Rhinitis
50 mg of an extract standardized to contain the 7.5 mg of petasins orally three times a day
Leaf extract: 8 mg of petasins, 1 tablet orally three-four times a day



feverfew 

Suggested Dosing
Extract
Take 50 to 100 mg orally daily
Fresh leaf
Take 2.5 leaves orally daily
Freeze dried leaf
Take 50 to 150 mg orally for one to two times daily



ubrogepant 

Administer 50 to 100mg orally for acute migraine
If required, a second dosage may be given within two hours following the first.
Do not exceed 200mg for 24 hours.
The safety of treating more than eight migraines in 30 days has not been confirmed.



diclofenac 

Indicated to treat acute migraine attacks with/without aura
Cambia- 50 mg packet in 30-60ml water, shake well and consume immediately
It is not used for preventive treatment
Keeping individual treatment goals, use the potent dose for a short duration
Dose Modification
In the case of hepatic impairment, start over with the lowest potent dose, and consider substitute treatment if efficacy is not achieved



sumatriptan intranasal 

Spray (Intranasal)
Individualised intranasal dose of 20 mg, 10 mg, or 5 mg once
Give a 20 mg, 10 mg, or 5 mg dosage into one nostril.
If the headache returns, repeat dosage once every 2 hours; should not exceed more than 40 mg daily.
Powder (Intranasal)
The Xsail breath-powered administration device provides 22 mg (2 nosepieces).
If the migraine does not resolve after 2 hours of taking the initial dose, or if it returns after a little improvement, a second 22-mg dosage may be provided.
should not exceed more than 2 doses in 24 hours (i.e., 44 mg/4 nosepieces) or one dosage of Onzetra Xsail and one dose of another sumatriptan, separated by minimum of 2 hours



naproxen and sumatriptan 

500mg naproxen/85mg sumatriptan Orally, repeat once every 2 hours, should not exceed more than two tablets every 24 hours.



Dose Adjustments

Dosage Modifications
Renal impairment

moderate (CrCl 30 to 59 mL/min) or Mild (CrCl 60 to 89 mL/min): dose adjustment is not necessary; monitor renal function in individuals with pre-existing kidney disease, renal impairment, and dehydration.
CrCl below 30 mL/min: Not advised
Hepatic impairment
Mild/moderate: Reduce the dosage to 60 mg naproxen /10 mg sumatriptan
Severe: Not recommended

atogepant 

Indicated for Chronic Migraine
Recommended for the prudent Treatment for chronic migraines
This medication is recommended to be taken orally at a dose of 60 mg every day, regardless of food intake



atogepant 

Recommended for prudent Treatment for episodic migraines
The recommended administration of this medication is through oral ingestion, with daily doses available in the strength 10 mg, 30 mg, or 60 mg regardless of food intake



ergotamine 

2 mg sublingual tablet after 1-2 mg every 30 minutes unless the attacks get lessened
Do not exceed the dose of more than 6mg each day and 10 mg each week



isometheptene, dichloralphenazone and acetaminophen 

Two capsules orally at onset of headache, following 1 capsule orally every 1 hour until headache is resolved, up to a total of 5 capsules for 2 times a day



methysergide 

Indicated For prevention of migraine headache
Take 4-8 mg as divided doses taken with food by oral route



flupirtine 

Although it is not a first-line treatment for migraine headaches, flupirtine has been recommended in certain circumstances
Adults should usually start with a dose of 100 mg, three times a day. Depending on the patient's response to treatment and the degree of their pain, the total daily dose may be adjusted to 400 mg. The total daily dose may be raised to 600 mg in certain circumstances, but this should only be done with a doctor's approval



Dose Adjustments

Renal dose adjustments
For people with normal renal function, no dose change is usually required. When there is mild renal impairment (eGFR 60-89 mL/min/1.73 m2), usually no dose modifications are needed
Adult dosage recommendations may be lowered in moderate renal impairment (eGFR 30-59 mL/min/1.73 m2). 50 mg three times a day as a starting dose is suitable in many circumstances. Doses taken in total each day may vary from 150 mg to 200 mg
When using flupirtine in patients who have severe renal impairment, caution should be exercised

rofecoxib 

Take a dose of 25 mg orally one time in a day



tolfenamic acid 

200

mg

orally

every one to two hours



isometheptene 

Acute migraine attacks
It is indicated in the management of acute migraine attacks
The usual recommended dose is 130 mg via oral administration SOS and then dose is reduced to half i.e., 65 mg per hour as required and the maximum dose limit is 325 mg per half day i.e., 12 hours



Dose Adjustments

Limited data is available

ginger 

Indicated for migraine headache
Take 500 mg of medication orally every four hours as needed, but do not exceed 1.5-2 g per day



lycosa tarantula 

First dissolve around 5 to 10 pellets in 1 ounce of filtered water then take this dose orally



acetaminophen/caffeine 

Indicated for Migraine Headache
Take 1 or 2 tablets orally at time of headache, then take 1 tablet hourly till pain is relieved
Avoid taking more than 5 tablets in 12 hours



almotriptan 

The recommended initial dose is 6.25 to12.5 mg taken orally at the onset of the migraine, with the option to repeat once after 2 hours if necessary
The maximum daily dosage should not exceed 25 mg



aminophenazone 

Indicated for Acute migraine
In-vivo studies suggest 250 to 300 mg every 6 to 8 hours orally daily



frovatriptan 

2.5 mg orally at initially; repeat after every 2 hr if migraine recurs; should not exceed more than 7.5 mg/day
If there is no response to the first dose for the same headache, there is no evidence that the second dose will be effective



meloxicam/rizatriptan 

Tablet

Orally 

once a day

Do not exceed more than 1 tablet



 

eptinezumab 

Safety and efficacy are not seen in pediatrics



rimegepant 

Safety and efficacy are not seen in pediatrics.



rizatriptan 


<6 years: Safety and efficacy not established
6 to 17 years(<40 kgs): 5 mg orally once a day
6 to 17 years (>40 kgs): 10 mg orally once a day



Dose Adjustments

6 to 17 years (<40 kgs) using propranolol: Avoid rizatriptan
6 to 17 years (>40 kgs) using propranolol: 5 mg orally once a day. Do not exceed more than 5mg per day

naproxen and sumatriptan 

Below 12 yrs: Safety & efficacy were not established
Above 12 yrs: The recommended dose is one tablet (60 mg naproxen /10 mg sumatriptan) Orally every 24 hours when necessary; the maximum dose is one tablet (500 mg naproxen /85 mg sumatriptan) per 24 hours.



ergotamine 

(Off-label)
1 mg sublingually, later 1 mg every 30 minutes as required
Do not exceed the dose of more than 3 mg for every episode
Not indicated for tiny children



ergotamine 

(Off-label)
1 mg sublingually, later 1 mg every 30 minutes as required
Do not exceed the dose of more than 3 mg for every episode
Not indicated for tiny children



isometheptene 

Acute migraine attacks
There are limited studies where this medication is used and guided in the therapy of acute migraine attacks in children
It is indicated in the management of acute migraine attacks
The usual recommended dose is 130 mg via oral administration SOS and then dose is reduced to half i.e., 65 mg per hour as required and the maximum dose limit is 325 mg per half day i.e., 12 hours



lycosa tarantula 

For Children and infants:
Take a dose of 1 to 5 pellets orally



almotriptan 

For patients 12 years or older, the recommended oral dose is 6.25 to 12.5 mg at the onset of a headache, with the option to repeat the dose after 2 hours if needed
The maximum daily dosage should not exceed 25 mg



 

eptinezumab 

Refer to the adult dosing



rimegepant 

Refer to the adult dosing.



meloxicam/rizatriptan 

Serious NSAID-related adverse effects on the heart, gastrointestinal tract, liver, and kidneys are more likely to occur in elderly persons. If therapy is required, take the smallest dose that works best for the shortest amount of time and keep an eye out for side effects



Media Gallary

Content loading

Latest Posts

Migraine

Updated : April 24, 2024

Mail Whatsapp PDF Image



Recurrent headaches, which can be mild to severe, are the hallmark of the complicated neurological disorder known as migraines. It often involves pulsating or throbbing pain, usually on one side of the head, although it can affect on both the sides. They are frequently accompanied by additional symptoms like vomiting, nausea, and intolerance to light, sound, or scent. 

Although the precise etiology of migraines remains unclear, a confluence of neurological, environmental, and genetic variables is thought to be responsible. Some common triggers include hormonal changes, certain foods or drinks (such as alcohol, caffeine, or aged cheeses), stress, lack of sleep, sensory stimuli (like bright lights or strong odors), and changes in weather or altitude. 

There are several types of migraines, including: 

  • Migraine without aura: This is the most prevalent kind, marked by medium to serious headaches without any warning signs in advance. 
  • Migraine with aura: Aura, or distinct warning indications, are seen by certain individuals before to the commencement of migraine headaches. Aura can cause changes in senses, difficulty speaking, and visual disturbances like blind patches or flashing lights. 
  • Chronic migraine: This refers to migraines that occur on 15 or more days per month, with at least 8 of those days involving migraine headaches. 
  • Menstrual migraine: Migraines that occur in relation to a woman’s menstrual cycle, often around the time of menstruation.
  • Global Prevalence: Migraine is a widespread condition, affecting people across the globe. According to the World Health Organization (WHO), it is one of the top 20 causes of disability worldwide. The prevalence of migraines varies among different countries and regions. 
  • Gender Differences: Migraines are more common in women than in men. The peak prevalence often occurs during the reproductive years. Hormonal factors, particularly changes in estrogen levels, are thought to contribute to this gender difference. 
  • Age Distribution: While migraines can occur at any age, they often first appear in childhood, adolescence, or early adulthood. The frequency and characteristics of migraines may change with age. 
  • Family History and Genetics: There is a genetic component to migraines, and individuals with a family history of migraines are more likely to experience them. Specific genetic factors associated with migraines have been identified. 
  • Socioeconomic Factors: Migraines can affect individuals of all socioeconomic backgrounds, but there may be associations with certain socioeconomic factors. Access to healthcare and treatment options may vary based on socioeconomic status. 
  • Comorbidities: Migraines often coexist with other medical conditions. Common comorbidities include depression, anxiety, and other pain disorders. Understanding these associations can help in providing comprehensive care. 

Neurovascular Mechanism: 

  • Vasodilation and Vasoconstriction: Early theories suggested that migraines were primarily caused by blood vessel changes, with initial vasodilation (expansion of blood vessels) followed by vasoconstriction (narrowing of blood vessels). However, current research indicates that the vasodilation is likely secondary to other processes. 
  • Cortical Spreading Depression (CSD): CSD is caused by a wave of neuronal depolarization that propagates across the cerebral cortex. It is considered a key event in migraine with aura. CSD is thought to trigger changes in blood flow and release of inflammatory substances, contributing to the migraine headache. 

Neurochemical Imbalances: 

  • Serotonin (5-HT) Dysfunction: Changes in serotonin levels are implicated in migraines. Serotonin has a role in mood and pain perception control. During a migraine attack, there is evidence of a transient decrease in serotonin levels, which may contribute to the headache phase. 
  • Calcitonin Gene-Related Peptide (CGRP): CGRP is a neuropeptide that plays a role in vasodilation and inflammation. Elevated levels of CGRP have been observed during migraine attacks, and medications targeting CGRP or its receptors are being used as a new class of migraine-specific preventive treatments. 
  • Glutamate and Neurotransmitters: Abnormalities in glutamate, a neurotransmitter involved in excitatory signaling, have been implicated in migraine pathophysiology. Changes in neurotransmitter release and receptor sensitivity may contribute to the initiation and maintenance of migraines. 

Genetic Factors: 

  • Familial Predisposition: There is a strong genetic component to migraines, with a higher risk in individuals with a family history of migraines. Specific genetic variations may influence susceptibility to migraines and the response to triggers. 

Triggers and Environmental Factors: 

  • Hormonal Changes: Fluctuations in hormones, particularly estrogen, are associated with migraine attacks. Many women experience migraines related to the menstrual cycle. 
  • Stress, Sleep, and Environmental Factors: Emotional stress, lack of sleep, and exposure to certain environmental stimuli (such as bright lights, loud noises, or strong odors) can trigger migraines in susceptible individuals. 

Genetic Factors: 

  • Family History: There is a strong genetic predisposition to migraines. Individuals with a family history of migraines are more likely to experience them, suggesting a hereditary component. 
  • Specific Genetic Markers: Certain genetic variations have been associated with an increased susceptibility to migraines. These variations may influence the function of neurotransmitters, receptors, and ion channels involved in migraine pathophysiology. 

Neurovascular Changes: 

  • Cortical Spreading Depression (CSD): A pulse of electricity that travels throughout the cerebral cortex causes alterations in blood flow and the production of inflammatory chemicals, which is the mechanism underlying this phenomena. CSD is believed to be involved in the aura phase of migraines. 
  • Vasodilation and Vasoconstriction: While the role of blood vessel changes in migraines has evolved, alterations in blood flow, possibly influenced by neurovascular mechanisms, are still considered part of the migraine process. 

Neurochemical Imbalances: 

  • Serotonin Dysfunction: One neurotransmitter that affects mood control and pain perception is serotonin. Changes in the serotonin levels have been implicated in migraine attacks, with a transient decrease observed during the headache phase. 
  • Calcitonin Gene-Related Peptide (CGRP): Elevated levels of CGRP, a neuropeptide involved in vasodilation and inflammation, have been associated with migraines. Medications targeting the CGRP pathway are being used for migraine prevention. 

Hormonal Influences: 

  • Estrogen Fluctuations: Hormonal changes, particularly fluctuations in estrogen levels, can trigger migraines in some individuals. Women often experience migraines related to their menstrual cycle, pregnancy, or menopause. 

Triggers and Environmental Factors: 

  • Stress: It is a common trigger for migraines. Changes in stress levels can contribute to the onset of an attack. 
  • Environmental Stimuli: Exposure to certain stimuli, such as bright lights, loud noises, strong odors, or specific foods and drinks (like alcohol, caffeine, and certain additives), can act as triggers for migraines. 
  • Frequency and Severity of Attacks: Individuals experiencing more frequent and severe migraine attacks may have a different prognosis than those with less frequent or milder episodes. 
  • Duration of Migraine History: The length of time an individual has been experiencing migraines can be a prognostic factor. Chronic migraine, defined as having migraines on 15 or more days per month, may have different implications for treatment and management compared to episodic migraine. 
  • Aura Presence: Migraines with aura (visual or sensory disturbances that precede or accompany the headache) may have different prognostic implications compared to migraines without aura. 
  • Response to Medications: How well an individual responds to acute and preventive medications can be a prognostic factor. Those who respond positively to treatment may have a more favorable prognosis in terms of symptom management. 
  • Impact on Quality of Life: One predictor of future outcomes may be how much a person’s quality of life and everyday functioning are affected by migraines. Severe impairment and disability may require more comprehensive management strategies.

Clinical Presentation with Age Group: 

Children and Adolescents (Up to 18 years old): 

  • Migraines in children often present as recurrent, throbbing headaches. 
  • Nausea, vomiting, and abdominal pain may be prominent symptoms. 
  • Attacks may be shorter in duration compared to adults. 

Young Adults (18 to 40 years old): 

  • Migraines in this age group may be associated with hormonal changes, especially in women. 
  • Visual disturbances (aura) may occur in some individuals. 
  • Trigger factors, such as stress or irregular sleep patterns, may become more noticeable. 

Middle-aged Adults (40 to 60 years old): 

  • Migraines may persist but can evolve in presentation. 
  • Hormonal factors, stress, and lifestyle changes may continue to play a role. 
  • Coexisting medical conditions like hypertension or cardiovascular issues may impact treatment decisions. 

Seniors (60 years and older): 

  • Migraines may persist but can sometimes decrease in frequency. 
  • Management may be complicated by other age-related health issues and medication interactions. 
  • Associated Comorbidities or Activities: 

Psychiatric Comorbidities: 

  • Anxiety and depression are commonly associated with migraines. 
  • Effective management may require a holistic approach addressing both mental health and migraine symptoms. 

Cardiovascular Comorbidities: 

  • They have been associated with an increased risk of certain cardiovascular conditions, such as stroke and coronary artery disease. 

Sleep Disorders: 

  • Sleep disturbances, including sleep apnea, can influence the frequency and severity of migraines. 

Pregnancy-Related Factors: 

  • For women, migraines may be affected by hormonal changes during pregnancy or menopause. 
  • Management considerations during pregnancy involve balancing the need for relief with the safety of medications. 

Lifestyle Factors: 

  • Certain activities or habits, such as irregular sleep patterns, skipping meals, or excessive caffeine intake, can trigger migraines. 
  • Acuity of Presentation: 

Gradual Onset: 

  • Migraine attacks often have a gradual onset, with symptoms intensifying over time. 

Aura Phase: 

  • Some individuals experience an aura before the headache phase, involving visual disturbances, sensory changes, or other neurological symptoms. 

Severe Headache: 

  • The headache phase is typically characterized by severe, throbbing pain, often on one side of the head. 

Nausea and Vomiting: 

  • Nausea and vomiting are common symptoms during a migraine attack, contributing to the overall acuity of the presentation. 
  • General Physical Examination: A comprehensive physical examination is performed to evaluate general health and spot any indications of systemic diseases that might be causing headaches. 
  • Neurological Examination: A neurological examination is crucial to rule out other neurological conditions that may mimic migraine symptoms. It includes assessing cranial nerves, reflexes, coordination, muscle strength, and sensation. 
  • Head and Neck Examination: Examination of the head and neck can help identify potential triggers or contributing factors. This may include assessing the temporomandibular joint (TMJ) for tenderness and examining the neck muscles for tension. 
  • Blood Pressure Measurement: Monitoring blood pressure is important to rule out hypertensive emergencies or other cardiovascular issues that may cause headaches. 
  • Eye Examination: An eye examination may be conducted to rule out eye-related issues that could contribute to headaches. This includes checking for visual disturbances and assessing eye movements. 
  • Assessment of Trigger Points: Some individuals with migraines may have trigger points in the head, neck, or shoulder muscles. Palpation of these areas can help identify tender points and areas of muscle tension. 
  • Tension-Type Headache (TTH): Tension-type headaches are characterized by a mild to moderate, non-pulsating, band-like pressure or tightness around the head. They do not typically have the accompanying features of migraines, such as nausea, vomiting, or sensitivity to light and sound. 
  • Cluster Headache: Cluster headaches are severe, one-sided headaches that occur in clusters or cyclical patterns. They are often accompanied by eye tearing, nasal congestion, and restlessness. Unlike migraines, cluster headaches are of shorter duration but can be extremely intense. 
  • Sinusitis: It may be associated with other symptoms like nasal congestion, discharge, and facial tenderness. 
  • Temporal Arteritis (Giant Cell Arteritis): Temporal arteritis is an inflammation of the temporal arteries, causing severe headache, jaw pain, and visual disturbances. 
  • Intracranial Lesions: Structural abnormalities or lesions within the brain, such as tumors, vascular malformations, or infections, can cause persistent headaches. Imaging studies (MRI or CT scans) may be necessary to rule out such conditions. 
  • Hypertension-related Headaches: Severe or acute increases in blood pressure can lead to headaches. However, chronic hypertension typically does not cause headaches, and other symptoms such as dizziness and visual disturbances may be present in hypertensive emergencies. 
  • Medication Overuse Headache: Overuse of certain medications, particularly analgesics or migraine-specific medications, can lead to rebound headaches. Identifying and discontinuing the offending medications can resolve these headaches. 
  • Post-Traumatic Headache: Headaches following a head injury or concussion may have characteristics similar to migraines. A thorough history and evaluation of the injury are important for accurate diagnosis. 
  • Hormonal Headaches: Fluctuations in hormonal levelsduring the menstrual cycle, pregnancy, or menopause, can lead to headaches. Menstrual migraines may share some features with hormonal headaches. 

Lifestyle Modifications: 

  • Identify and avoid triggers: To find possible headache triggers, such as particular meals, sleep deprivation, stress, or hormonal changes, keep a headache journal. Once identified, make an effort to limit your exposure to these stressors. 
  • Regular sleep: Maintain a consistent sleep schedule, ensuring you get adequate and regular sleep. 
  • Hydration: To keep hydrated all day, drink a lot of water. 
  • Stress management: Practice relaxation techniques, meditation, and stress-reducing activities to manage stress levels. 

Acute or Abortive Medications: 

  • Over-the-counter (OTC) medications: Pain relievers such as naproxen sodium,ibuprofen, or aspirin may be effective for mild to moderate migraines. 
  • Prescription medications: Triptans (sumatriptan, rizatriptan, etc.) are often prescribed for moderate to severe migraines. They work by narrowing blood vessels and blocking pain pathways in the brain. 

Preventive Medications: 

  • Prescription medications: If migraines are frequent or severe, a healthcare provider may recommend preventive medications. These can include beta-blockers (propranolol), anticonvulsants (topiramate), tricyclic antidepressants (amitriptyline), or CGRP (calcitonin gene-related peptide) monoclonal antibodies. 
  • Botulinum toxin (Botox): Injections of Botox may be considered for chronic migraines (15 or more headache days per month, with at least 8 being migraines). 

Non-Pharmacological Approaches: 

  • Biofeedback and Relaxation Techniques: These can assist people in decreasing the frequency and intensity of migraines by teaching them how to regulate physiological processes like heart rate and muscular tension. 
  • Cognitive Behavioral Therapy (CBT): CBT can be effective in managing stress and changing patterns of thinking that may contribute to migraines. 

Alternative Therapies: 

  • Some people find relief through acupuncture, chiropractic care, or herbal supplements. However, the evidence supporting the effectiveness of these approaches varies. 

Internal Medicine

Neurology

Biofeedback: Biofeedback involves learning to control physiological functions such as heart rate,muscle tension, and skin temperature. This technique can help individuals gain better awareness and control over physical responses associated with migraines. 

Relaxation Techniques:  Deep breathing exercises, progressive muscle relaxation, and guided imagery are a few techniques that can reduce tension and induce calm, both of which can be linked to migraine symptoms. 

Cognitive Behavioral Therapy (CBT): It is a type of psychotherapy where the goal is to recognize and alter unfavorable thinking patterns and behavior patterns. It is effective in managing stress and improving coping mechanisms, potentially reducing migraine frequency. 

Lifestyle Modifications: 

  •  Identify and avoid triggers: Keeping a headache diary to track potential triggers and avoiding them can be a crucial non-pharmacological strategy. 
  • Regular sleep: Maintaining a consistent sleep schedule, ensuring adequate and quality sleep, can help prevent migraines triggered by changes in sleep patterns. 
  • Hydration and nutrition: A balanced diet and adequate hydration might improve general health and perhaps lessen the frequency of migraine attacks. 

Acupuncture: It involves inserting of thin needles into the specific points on the body. Some people find relief from migraines through acupuncture, although the evidence is mixed, and individual responses may vary. 

Chiropractic Care: Some individuals may benefit from chiropractic adjustments, particularly if musculoskeletal issues contribute to their migraines. However, the effectiveness of chiropractic care for migraines is still a subject of debate, and it may not work for everyone. 

Physical Exercise: Frequent exercise helps lower stress and enhance general wellbeing. Walking, swimming, and yoga are a few exercises that may help reduce the incidence of migraines. 

Neurology

 Serotonin 5-HT1F agonists, also known as “ditans,” are a relatively new class of medications used in the treatment of migraines. They differ from the more established class of triptans, which primarily target the 5-HT1B/1D receptors. 

Lasmiditan: It is currently the only 5-HT1F agonist approved for the acute treatment of migrainesSerotonin 5-HT1F agonists, like lasmiditan, selectively activate serotonin receptors (5-HT1F receptors) in the trigeminal nerve pathway. This activation prevents the production of neuropeptides that are important in migraine-related pain signals.

Neurology

Serotonin (5-HT) receptor agonists, commonly known as triptans, play a crucial role in the acute treatment of migraines. These medications target specific serotonin receptors, primarily the 5-HT1B and 5-HT1D receptors, leading to vasoconstriction of dilated blood vessels and inhibition of the release of pro-inflammatory neuropeptides. Triptans are effective in relieving migraine symptoms and are widely used for acute migraine attacks. 

  • Sumatriptan (Imitrex): One of the first triptans introduced and available in various forms, including tablets, nasal spray, and injections. 
  • Rizatriptan (Maxalt): Available in orally disintegrating tablets and regular tablets, it is known for its relatively fast onset of action. 
  • Zolmitriptan (Zomig): Available in oral tablets and nasal spray formulations. 
  • Eletriptan (Relpax): Known for its longer half-life compared to some other triptans, it is available in oral tablet form. 
  • Naratriptan (Amerge): Has a longer duration of action and is available in oral tablet form. 
  • Almotriptan (Axert): Has a longer half-life and is available in oral tablet form. 

Neurology

Ergot derivatives, also known as ergot alkaloids, have historically been used in the treatment of migraines. These drugs work by interfering with serotonin along with other receptors, causing vasoconstriction and inhibiting certain neurotransmitters implicated in migraine pathogenesis. However, their use has declined in recent years due to the introduction of safer and more effective medications, such as triptans. Derivatives of ergot are often saved for situations when first-line therapies are either ineffective or poorly tolerated.  

  • Ergotamine: Ergotamine is a classic ergot derivative used in the treatment of migraines. It is available in various formulations, including oral tablets, sublingual tablets, and rectal suppositories. 
  • Dihydroergotamine (DHE): This is a semisynthetic ergot alkaloid that is more commonly used today than ergotamine. DHE is available in injectable forms (intravenous or intramuscular) and as a nasal spray.

Neurology

Analgesics, or pain relievers, are commonly used in the treatment of migraines, especially for milder attacks or when other specific migraine medications are not suitable.For moderate to severe migraines or when over-the-counter analgesics are not effective, specific migraine medications such as triptans or ergot derivatives may be more appropriate. These medications target the underlying mechanisms of migraines, including blood vessel dilation and neurogenic inflammation. 

Nonsteroidal Anti-Inflammatory Drugs (NSAIDs): 

  • Ibuprofen: Ibuprofen is an NSAID that can be effective in relieving mild to moderate migraines. It functions by inhibiting pain impulses and lowering inflammation. 
  • Naproxen Sodium: Similar to ibuprofen, naproxen sodium is an NSAID that can help alleviate migraine symptoms. Because of its prolonged duration of action, fewer doses are necessary. 

Acetaminophen (Paracetamol): 

  • Acetaminophen: While not an NSAID, acetaminophen is a common over-the-counter analgesic that may provide some relief for mild migraines. It functions by lessening the brain’s pain signals. 

Neurology

Pathology

Antipsychotic medications, although primarily used to treat psychiatric conditions such as schizophrenia and bipolar disorder, have shown some efficacy in the treatment of migraines, particularly in certain cases where other treatments have failed or are not well-tolerated. Although the precise method by which antipsychotics prevent migraines is not entirely known, it is thought to be related to their effects on neurotransmitters including norepinephrine, dopamine, and serotonin, which are also important in the pathophysiology of migraines. 

  • Olanzapine (Zyprexa): Olanzapine, an atypical antipsychotic, has been studied for its effectiveness in migraine prevention. It has demonstrated potential in reducing migraine frequency and intensity, especially in those who suffer from chronic migraines. 
  • Quetiapine (Seroquel): Quetiapine is another atypical antipsychotic that has been investigated for migraine prevention. While not as extensively studied as olanzapine, it has shown some benefit in reducing migraine frequency and severity in certain individuals. 
  • Risperidone (Risperdal): Risperidone is a widely used atypical antipsychotic that has been studied for its potential role in migraine treatment. It may be considered in cases where other preventive medications have failed. 
  • Aripiprazole (Abilify): Aripiprazole is another atypical antipsychotic that has been explored for migraine prevention. It has shown some efficacy in reducing migraine frequency and severity, although more research is needed to establish its role definitively. 

Neurology

Anticonvulsant medications are often used as preventive or prophylactic treatment for migraines in individuals who experience frequent or severe attacks. They are typically considered when other preventive medications or lifestyle modifications have not been successful or are not well-tolerated. 

  • Topiramate (Topamax): Topiramate is one of the most commonly prescribed anticonvulsants for migraine prevention. It is believed to reduce neuronal excitability and modulate neurotransmitters. It has shown efficacy in reducing the frequency and severity of migraine attacks. 
  • Valproic Acid (Depakote): Valproic acid is another anticonvulsant that has been used for migraine prevention. It is thought to have a stabilizing effect on neuronal membranes and modulate neurotransmitter release. However, it is generally considered a second-line option due to potential side effects, especially in women of childbearing potential. 
  • Gabapentin (Neurontin): While more commonly used for neuropathic pain, gabapentin has also been studied for migraine prevention. Although its exact method of preventing migraines is unclear, it is thought to work via adjusting neurotransmitter release. 
  • Pregabalin (Lyrica): Pregabalin, similar to gabapentin, is used for various neuropathic conditions. It has been investigated for its potential role in migraine prevention, although more research is needed to establish its efficacy definitively. 

Neurology

Calcium channel blockers (CCBs) are a class of medications that block the entry of calcium into cells, including cells in blood vessel walls. They are primarily known for their use in cardiovascular conditions, but some CCBs have shown effectiveness in the prevention of migraines. 

Verapamil: Verapamil is a commonly used calcium channel blocker for migraine prevention. It has shown efficacy in reducing the frequency and severity of migraine attacks. Verapamil is available in different formulations, including immediate-release and extended-release. 

Flunarizine: Although not available in all countries, flunarizine is a calcium channel blocker with antimigraine properties. It has been shown to be effective in reducing migraine frequency and severity. Flunarizine is used more widely in some regions, but its availability may vary. 

Cardiology, General

Neurology

Beta blockers lessen the frequency and intensity of migraine attacks. They are often considered when other preventive measures or medications are not suitable or have not been effective.Beta blockers work by blocking beta-adrenergic receptors, leading to several effects that are relevant to migraine prevention. They reduce vasodilation (expansion of blood vessels), which can contribute to the normalization of blood flow and reduce the risk of vasospasm, a potential trigger for migraines. Beta blockers also modulate neurotransmitters such as norepinephrine, serotonin, and dopamine, which are involved in migraine pathophysiology. 

  • Propranolol (Inderal): Propranolol is one of the most commonly prescribed beta blockers for migraine prevention.It has been demonstrated to be useful in lowering migraine attack frequency and intensity. Since propranolol inhibits both the beta-1 and beta-2 receptors, it is a not selective beta blocker. 
  • Metoprolol (Lopressor): Metoprolol is a beta-1 selective blocker and is another option for migraine prevention. It is generally well-tolerated and has shown efficacy in reducing migraine frequency. 
  • Timolol (Blocadren): Timolol, a non-selective beta blocker, has been studied for migraine prevention and is available in oral and ophthalmic (eye drop) formulations. The eye drop form is also used to prevent certain types of headaches, including migraines. 
  • Atenolol (Tenormin): Atenolol is another beta-1 selective blocker that has been investigated for migraine prevention. It is generally well-tolerated but may be less commonly prescribed than some other beta blockers for this indication. 

Internal Medicine

Neurology

Occipital Nerve Blocks: 

  • A local anesthetic and occasionally a corticosteroid are injected around the occipital nerves, which are found in the back of the head, during an occipital nerve block. 
  • Particularly for migraines affecting the occipital area, these injections can aid with pain relief and migraine frequency reduction. 

Botox Injections (OnabotulinumtoxinA): 

  • Botox injections involve the administration of botulinum toxin type A into specific muscles in the head and neck. 
  • Though mostly associated with cosmetic applications, adult patients with chronic migraines—defined as more than fifteen headache days per month—can now receive Botox injections as a preventative measure. 
  • Some people may find that Botox injections lessen the frequency and intensity of their migraines, while their exact mechanism of action is unclear. 

SPG (Sphenopalatine Ganglion) Blocks: 

  • SPG blocks involve the administration of local anesthetic to the sphenopalatine ganglion, a cluster of nerve cells located behind the nose. 
  • These blocks can provide relief for acute migraine attacks and may also have a preventive effect when performed regularly. 

Greater Occipital Nerve Stimulation (ONS): 

  • ONS involves the implantation of electrodes near the greater occipital nerves, which are thought to be involved in migraine pathophysiology. 
  • These electrodes deliver mild electrical impulses to modulate nerve activity and reduce migraine symptoms. 

Percutaneous Radiofrequency Ablation: 

  • Percutaneous radiofrequency ablation involves the use of heat generated by radiofrequency energy to disrupt nerve pathways involved in migraine transmission. 
  • This procedure targets specific nerves believed to play a role in migraine generation and can provide long-lasting relief in some cases. 

Transcranial Magnetic Stimulation (TMS): 

  • Magnetic pulses are used in this non-invasive technique to activate specific brain regions. 
  • While primarily studied for its antidepressant effects, TMS has also shown promise in migraine treatment, particularly for acute migraine attacks. 

Internal Medicine

Neurology

Prodromal Phase: 

  • The prodromal phase refers to the period before the onset of the headache when subtle symptoms may occur, serving as a warning sign of an impending migraine attack. 
  • Symptoms during this phase can vary widely but may include mood changes, food cravings, increased thirst, fatigue, or changes in bowel habits. 
  • Management during the prodromal phase may involve recognizing these early signs and taking preventive measures, such as ensuring adequate hydration, getting enough rest, avoiding triggers, and taking preventive medications if prescribed. 

Aura Phase (if present): 

  • Not all individuals with migraines experience an aura, but for those who do, it typically occurs before or during the headache phase. 
  • Auras are usually visual disturbances but can also involve sensory, motor, or speech disturbances. Visual auras may include flashing lights, zigzag lines, or blind spots. 
  • Management during the aura phase may involve finding a quiet, dark environment to rest and minimizing exposure to triggers if possible. Some individuals may benefit from specific medications to alleviate aura symptoms if prescribed by their healthcare provider. 

Headache Phase: 

  • The headache phase is characterized by the throbbing or pulsating headache typically associated with migraines. Other symptoms including light and sound sensitivity, nausea, vomiting, and trouble concentrating might accompany it. 
  • Medications are frequently used as part of acute therapy for headaches in order to reduce pain and related symptoms. This may include over-the-counter analgesics, prescription migraine-specific medications (such as triptans), antiemetics for nausea, or combination medications. 
  • Non-pharmacological approaches such as rest in a quiet, dark room, applying cold packs to the head or neck, and practicing relaxation techniques may also help alleviate symptoms during the headache phase. 

Postdromal Phase: 

  • Also known as the migraine “hangover,” the postdromal phase occurs after the headache has resolved and is characterized by residual symptoms such as fatigue, mood changes, difficulty concentrating, and generalized malaise. 
  • Management during the postdromal phase typically involves rest, hydration, and gentle activities to promote recovery. Ensuring adequate sleep, nutrition, and stress management may also help minimize the duration and severity of postdromal symptoms. 

Free CME credits

Both our subscription plans include Free CME/CPD AMA PRA Category 1 credits.

Digital Certificate PDF

On course completion, you will receive a full-sized presentation quality digital certificate.

medtigo Simulation

A dynamic medical simulation platform designed to train healthcare professionals and students to effectively run code situations through an immersive hands-on experience in a live, interactive 3D environment.

medtigo Points

medtigo points is our unique point redemption system created to award users for interacting on our site. These points can be redeemed for special discounts on the medtigo marketplace as well as towards the membership cost itself.
 
  • Registration with medtigo = 10 points
  • 1 visit to medtigo’s website = 1 point
  • Interacting with medtigo posts (through comments/clinical cases etc.) = 5 points
  • Attempting a game = 1 point
  • Community Forum post/reply = 5 points

    *Redemption of points can occur only through the medtigo marketplace, courses, or simulation system. Money will not be credited to your bank account. 10 points = $1.

All Your Certificates in One Place

When you have your licenses, certificates and CMEs in one place, it's easier to track your career growth. You can easily share these with hospitals as well, using your medtigo app.

Our Certificate Courses