White Phosphorus Exposure

Updated: April 28, 2025

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Background

White phosphorus (WP) is the most reactive among phosphorus allotropes. White phosphorus is used militarily as an incendiary agent and igniter for munitions.

White phosphorus is used in grenades, mortars, and smoke bombs. Munitions-quality white phosphorus is a waxy solid.

When exposed to air, it spontaneously ignites and is oxidized rapidly to phosphorus pentoxide.

The reaction generates heat causes a yellow flame and dense white smoke. Phosphorus glows in the dark and this trait is transferred to tracer bullets when oxygen is depleted.

White phosphorus melts at 44 °C is water-insoluble and above 30 °C oxidizes in air to form phosphorus pentoxide.

The phosphorus produced is turned into phosphoric acid, utilized in agriculture for fertilizers, rodenticides, fireworks, and silicon semiconductor doping.

White phosphorus injuries mainly stem from human or mechanical accidents. Proper handling of munitions is essential to prevent injuries and burns from white phosphorus.

Epidemiology

In Turkey (1997-2012), phosphorus firecrackers caused 16 child deaths ages 2-15.

White phosphorous in South American fireworks leads to a 5.9% death rate in Ecuadorian hospital patients.

Trauma and burns from ingestion significantly impact morbidity and mortality rates. White phosphorus causes frequent second and third degree burns due to ignition.

Trauma involves blunt force from blasts and penetrating injuries caused by projectiles resulting from the explosion.

Anatomy

Pathophysiology

White phosphorus poses serious injury and death risks, with military use criticized due to potential soft tissue, inhalation, and ingestion exposure.

White phosphorus skin exposure causes painful burns in yellow necrotic areas with a garlic odor. White phosphorus rapidly penetrates skin due to its high lipid solubility.

Oral ingestion of white phosphorus causes liver and kidney pathologic changes in humans.

Inhaling white phosphorus smoke is considered least severe, with no casualties reported from exposure.

Etiology

The causes of white phosphorus exposure are:

Military and Warfare Exposure

Industrial and Occupational Exposure

Environmental Exposure

Accidental Exposure

Ingestion

Genetics

Prognostic Factors

Prognosis of white phosphorus exposure varies with exposure route, dose, duration, injury extent, and treatment timing.

White phosphorus burns often cause poor healing and high infection risk.

Clinical History

Collect details including the exposure history, initial symptoms and timeline, medical history to understand clinical history of patients.

Physical Examination

Skin Examination

Respiratory Examination

Ocular Examination

Gastrointestinal Examination

Age group

Associated comorbidity

Associated activity

Acuity of presentation

Immediate symptoms are:

Deep, yellow-white burns, hypovolemic shock, burning throat, cough, chest pain

Chronic symptoms are:

Jawbone necrosis, tooth loss, non-healing ulcers, chronic cough, lung fibrosis

Differential Diagnoses

Allergic Contact Dermatitis

Chemical Burns

Acute Respiratory Distress Syndrome

Emergent Management of Thermal Burns

Laboratory Studies

Imaging Studies

Procedures

Histologic Findings

Staging

Treatment Paradigm

Irrigate or use saline/water pads to decontaminate phosphorus exposure.

Avoid oily dressings as they allow lipid-soluble elements to penetrate tissue.
Remove contaminated clothing to prevent white phosphorus from reigniting and causing severe burns.

Copper sulfate effectively neutralizes white phosphorus and has traditionally treated burns in vitro.

Copper sulfate and phosphorus create black cupric phosphate for visualization.

Copper inhibits various erythrocyte enzymes affect the hexose monophosphate shunt activity.

Aggressive irrigation can cause phosphorus particles to travel to unaffected skin areas and react upon air exposure.

Antioxidants glutathione and propyl gallate can counteract this triglyceride increase effectively.

White phosphorus ingestion with hepatorenal failure and cardiovascular collapse is fatal.

Transfer patients to a trauma center with burn care capabilities for scar revisions associated with burns later.

by Stage

by Modality

Chemotherapy

Radiation Therapy

Surgical Interventions

Hormone Therapy

Immunotherapy

Hyperthermia

Photodynamic Therapy

Stem Cell Transplant

Targeted Therapy

Palliative Care

use-of-non-pharmacological-approach-for-white-phosphorus-exposure

Use enclosed systems for WP handling to reduce air release.

Increase use of local exhaust ventilation systems to capture WP fumes at the source.

Provide respirators with filters for those handling WP dust or fumes.

Emergency decontamination stations should be placed with showers and eye wash.

Remove WP-contaminated soil from battlegrounds and industrial sites.

Proper awareness about white phosphorus exposure should be provided and its related causes with management strategies.

Appointments with specialist and preventing recurrence of disorder is an ongoing life-long effort.

Use of Toxoid

Tetanus toxoid adsorbed:

It induces active immunity against tetanus in selected patients.

Use of Analgesics

Meperidine:

It may produce less constipation, smooth muscle spasm, and depression of cough reflex.

Use of Nonsteroidal anti-inflammatory agents

Ibuprofen:

It inhibits inflammatory reactions and pain to decrease prostaglandin synthesis.

Naproxen:

It inhibits inflammatory reactions to decrease activity of cyclooxygenase.

Use of topical antibiotics

Silver sulfadiazine:

It is useful in preventing infections from second- or third-degree burns.

use-of-intervention-with-a-procedure-in-treating-white-phosphorus-exposure

Emergency procedures for white phosphorus burns includes immediate decontamination Procedure and surgical debridement

Airway & Pulmonary Interventions include Airway Management and pulmonary support.

Ocular exposure intervention includes immediate eye irrigation and ophthalmologic evaluation

phase-of-management

In the immediate care phase, the goal is to stop WP combustion, remove the patient from the source, and start decontamination.

In the emergency and acute phase, the goal is to stabilize the patient and prevent systemic complications.

Pharmacologic therapy is effective in the treatment phase as it includes the use of toxoid, analgesics, nonsteroidal anti-inflammatory agents, and topical antibiotics.

In supportive care and management phase, patients should receive required attention such as lifestyle modification and interventional therapies.

The regular follow-up visits with the specialist are scheduled to check the improvement of patients along with treatment response.

Medication

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White Phosphorus Exposure

Updated : April 28, 2025

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White phosphorus (WP) is the most reactive among phosphorus allotropes. White phosphorus is used militarily as an incendiary agent and igniter for munitions.

White phosphorus is used in grenades, mortars, and smoke bombs. Munitions-quality white phosphorus is a waxy solid.

When exposed to air, it spontaneously ignites and is oxidized rapidly to phosphorus pentoxide.

The reaction generates heat causes a yellow flame and dense white smoke. Phosphorus glows in the dark and this trait is transferred to tracer bullets when oxygen is depleted.

White phosphorus melts at 44 °C is water-insoluble and above 30 °C oxidizes in air to form phosphorus pentoxide.

The phosphorus produced is turned into phosphoric acid, utilized in agriculture for fertilizers, rodenticides, fireworks, and silicon semiconductor doping.

White phosphorus injuries mainly stem from human or mechanical accidents. Proper handling of munitions is essential to prevent injuries and burns from white phosphorus.

In Turkey (1997-2012), phosphorus firecrackers caused 16 child deaths ages 2-15.

White phosphorous in South American fireworks leads to a 5.9% death rate in Ecuadorian hospital patients.

Trauma and burns from ingestion significantly impact morbidity and mortality rates. White phosphorus causes frequent second and third degree burns due to ignition.

Trauma involves blunt force from blasts and penetrating injuries caused by projectiles resulting from the explosion.

White phosphorus poses serious injury and death risks, with military use criticized due to potential soft tissue, inhalation, and ingestion exposure.

White phosphorus skin exposure causes painful burns in yellow necrotic areas with a garlic odor. White phosphorus rapidly penetrates skin due to its high lipid solubility.

Oral ingestion of white phosphorus causes liver and kidney pathologic changes in humans.

Inhaling white phosphorus smoke is considered least severe, with no casualties reported from exposure.

The causes of white phosphorus exposure are:

Military and Warfare Exposure

Industrial and Occupational Exposure

Environmental Exposure

Accidental Exposure

Ingestion

Prognosis of white phosphorus exposure varies with exposure route, dose, duration, injury extent, and treatment timing.

White phosphorus burns often cause poor healing and high infection risk.

Collect details including the exposure history, initial symptoms and timeline, medical history to understand clinical history of patients.

Skin Examination

Respiratory Examination

Ocular Examination

Gastrointestinal Examination

Immediate symptoms are:

Deep, yellow-white burns, hypovolemic shock, burning throat, cough, chest pain

Chronic symptoms are:

Jawbone necrosis, tooth loss, non-healing ulcers, chronic cough, lung fibrosis

Allergic Contact Dermatitis

Chemical Burns

Acute Respiratory Distress Syndrome

Emergent Management of Thermal Burns

Irrigate or use saline/water pads to decontaminate phosphorus exposure.

Avoid oily dressings as they allow lipid-soluble elements to penetrate tissue.
Remove contaminated clothing to prevent white phosphorus from reigniting and causing severe burns.

Copper sulfate effectively neutralizes white phosphorus and has traditionally treated burns in vitro.

Copper sulfate and phosphorus create black cupric phosphate for visualization.

Copper inhibits various erythrocyte enzymes affect the hexose monophosphate shunt activity.

Aggressive irrigation can cause phosphorus particles to travel to unaffected skin areas and react upon air exposure.

Antioxidants glutathione and propyl gallate can counteract this triglyceride increase effectively.

White phosphorus ingestion with hepatorenal failure and cardiovascular collapse is fatal.

Transfer patients to a trauma center with burn care capabilities for scar revisions associated with burns later.

Emergency Medicine

Use enclosed systems for WP handling to reduce air release.

Increase use of local exhaust ventilation systems to capture WP fumes at the source.

Provide respirators with filters for those handling WP dust or fumes.

Emergency decontamination stations should be placed with showers and eye wash.

Remove WP-contaminated soil from battlegrounds and industrial sites.

Proper awareness about white phosphorus exposure should be provided and its related causes with management strategies.

Appointments with specialist and preventing recurrence of disorder is an ongoing life-long effort.

Emergency Medicine

Tetanus toxoid adsorbed:

It induces active immunity against tetanus in selected patients.

Emergency Medicine

Meperidine:

It may produce less constipation, smooth muscle spasm, and depression of cough reflex.

Emergency Medicine

Ibuprofen:

It inhibits inflammatory reactions and pain to decrease prostaglandin synthesis.

Naproxen:

It inhibits inflammatory reactions to decrease activity of cyclooxygenase.

Emergency Medicine

Silver sulfadiazine:

It is useful in preventing infections from second- or third-degree burns.

Emergency Medicine

Emergency procedures for white phosphorus burns includes immediate decontamination Procedure and surgical debridement

Airway & Pulmonary Interventions include Airway Management and pulmonary support.

Ocular exposure intervention includes immediate eye irrigation and ophthalmologic evaluation

Emergency Medicine

In the immediate care phase, the goal is to stop WP combustion, remove the patient from the source, and start decontamination.

In the emergency and acute phase, the goal is to stabilize the patient and prevent systemic complications.

Pharmacologic therapy is effective in the treatment phase as it includes the use of toxoid, analgesics, nonsteroidal anti-inflammatory agents, and topical antibiotics.

In supportive care and management phase, patients should receive required attention such as lifestyle modification and interventional therapies.

The regular follow-up visits with the specialist are scheduled to check the improvement of patients along with treatment response.

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