Allergic Reaction

Updated: January 5, 2023

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Background

Epidemiology

Anatomy

Pathophysiology

Etiology

Genetics

Prognostic Factors

Clinical History

Physical Examination

Age group

Associated comorbidity

Associated activity

Acuity of presentation

Differential Diagnoses

Laboratory Studies

Imaging Studies

Procedures

Histologic Findings

Staging

Treatment Paradigm

by Stage

by Modality

Chemotherapy

Radiation Therapy

Surgical Interventions

Hormone Therapy

Immunotherapy

Hyperthermia

Photodynamic Therapy

Stem Cell Transplant

Targeted Therapy

Palliative Care

Medication

 

feverfew 

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



methylprednisolone 

Day 1: 8 mg orally before the breakfast, 4 mg after the lunch and after the dinner, and 8 mg at the bedtime
Day 2: 4 mg orally before the breakfast, after the lunch and after the dinner and 8 mg at the bedtime
Day 3: 4 mg orally before the breakfast, after the lunch and after the dinner and at the bedtime
Day 4: 4 mg orally before the breakfast, after the lunch and at the bedtime
Day 5: 4 mg orally before the breakfast and at the bedtime
Day 6: 4 mg orally before the breakfast
May be tapered over 12 days (to decrease chance of dermatitis flareup)



phenindamine 

25 mg given as tartrate every 4-6 times a day. Maximum dose: 150 mg daily



oxatomide 

Indicated for Allergic conditions
anhydrous substance- The recommended dose is 30 mg orally twice a day



bamipine 

Take a dose of 50 to 100 mg orally for 3 to 4 times in a day



mebhydrolin 

The suggested dose is 100 to 300 mg in a day by oral route



mequitazine 

5 mg orally twice a day



dimethindene 


Indicated for Allergic conditions
1 mg to 2 mg orally three times a day
Pruritic skin disorders
Apply 0.1% gel topically



azatadine 

Take 1-2 mg by oral route two times daily




25

mg

Tablet

Oral

every 6 hrs

Maximum dose: 150mg



brompheniramine 

The dose may vary depending on the patient's response.
In most patients, the dose may be two times a day
6mg- 12mg orally two times a day (extended-release)
The dose may vary depending on the patient's response.
In most patients, the dose is maybe once a day at bedtime
Maximum dose: 24mg/day:

4 - 8

mg

Orally 

4 times a day



brompheniramine 

5 - 20

mg

Subcutaneous (SC)

two to four times a day

5mg- 20mg, SC/IV/IM two to four times a day
Maximum dose: 40mg/day (parenteral)



betamethasone/dexchlorpheniramine maleate 

This combination is recommended for intricate cases encompassing ocular, respiratory, and dermatologic allergies, along with ocular inflammatory disorders that require additional systemic corticosteroid therapy
For individuals aged 12 and older, the suggested starting dosage is 1-2 tablets administered four times daily, after meals and at bedtime, following the guidance of the physician



 

peanut oral allergen powder 


4 to 17 years
Escalation of initial dose:
0.5mg,1mg,10mg, and 20mg administered in single doses orally
After initial dose escalation, begin updosing

Up-dosing:4 to 17 years
Dose level 1: 3 mg daily for two weeks orally
Dose level 2: 6 mg daily for two weeks orally
Dose level 3: 12 mg daily for two weeks orally
Dose level 4: 20 mg daily for two weeks orally
Dose level 5: 40 mg daily for two weeks orally
Dose level 6: 80 mg daily for two weeks orally
Dose level 7: 120 mg daily for two weeks orally
Dose level 8: 160 mg daily for two weeks orally
Dose level 9: 200 mg daily for two weeks orally
Dose level 10: 240 mg daily for two weeks orally
Dose level 11: 300 mg daily for two weeks orally
Sequential order of dose level should be maintained

Maintenance dose:4 years older
300 mg daily orally



phenindamine 

Above 6 yr: 12.5 given as tartrate every 4-6 times a day. Maximum dose: 75 mg daily



oxatomide 

Indicated for Allergic conditions
anhydrous substance- at starting 0.5 mg/kg orally twice a day
The recommended Optimal dose is 0.5 to 1 mg/kg orally twice a day



oxatomide 

Indicated for Allergic conditions
anhydrous substance- at starting 0.5 mg/kg orally twice a day
The recommended Optimal dose is 0.5 to 1 mg/kg orally twice a day



mebhydrolin 

Age less than two years: The suggested dose is 50 to 100 mg in a day by oral route
Age 2 to 5 years: The suggested dose is 50 to 150 mg in a day by oral route
Age 5 to 10 years: The suggested dose is 100 to 200 mg in a day by oral route
Age more than ten years:
The suggested dose is 100 to 300 mg in a day by oral route



mebhydrolin 

Age less than two years: The suggested dose is 50 to 100 mg in a day by oral route
Age 2 to 5 years: The suggested dose is 50 to 150 mg in a day by oral route
Age 5 to 10 years: The suggested dose is 100 to 200 mg in a day by oral route
Age more than ten years:
The suggested dose is 100 to 300 mg in a day by oral route



azatadine 

Age more than or equal to 12 years
Take 1-2 mg by oral route two times daily



brompheniramine 

For children less than six years old:
0.125mg/kg four times a day (immediate release)
Maximum dose: 6mg- 8mg/day
2mg suspension (extended-release) orally two times a day
Note: do not administer more than two doses per day
For children of 6- 12 years of age:
2mg- 4mg orally 3-4 times a day (immediate release)
Maximum dose: 12-16mg/day
4mg suspension orally (extended-release), two times a day
Note: Do not exceed two doses per day
For children more than 12 years of age:
4mg- 8mg orally four times a day (immediate release)
The dose may vary depending on the patient's response.
In most patients, the dose may be two times a day 6mg- 12mg orally two times a day (extended-release)
The dose may vary depending on the patient's response.
In most patients, the dose is maybe once a day at bedtime
Maximum dose: 24mg/day



 

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Allergic Reaction

Updated : January 5, 2023

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