Erythema ab igne

Erythema Ab Igne (EAI)

Erythema Ab Igne (EAI), commonly referred to as hot water bottle rash, is a skin condition resulting from long-term exposure to heat or infrared radiation. This prolonged exposure can cause specific changes in the skin, typically in areas where the skin is heated repeatedly.

Erythema Ab Igne on the skin

Causes

• EAI is caused by chronic exposure to moderate heat that is insufficient to cause a burn but strong enough to induce skin changes.
• Common sources include hot water bottles, heating pads, and laptops placed on laps.

Symptoms and Characteristics

• The condition is characterized by reticulated erythema, hyperpigmentation, scaling, and telangiectasias in the affected area.
• Mild itchiness and a burning sensation may occur.
• In many cases, EAI is asymptomatic and may go unnoticed until visible skin changes appear.

Diagnosis

• Diagnosis of EAI is primarily clinical, based on the characteristic appearance of the skin and the patient's history of heat exposure.
• Dermatological examination is used to rule out other skin conditions.

Treatment and Management

• The most effective treatment is the removal of the heat source to prevent further skin damage.
• Topical treatments may help in reducing symptoms and improving skin appearance.
• In some cases, laser therapy might be considered for cosmetic reasons.

Prevention

• Prevention involves avoiding prolonged direct exposure to heat sources.
• Using barriers or protective layers between the skin and heat sources can reduce the risk.

Potential Complications

• Chronic EAI can lead to permanent skin changes.
• In rare cases, there's a risk of skin cancer developing in the affected areas.

See Also

• Skin Conditions
• Dermatology
• Radiation Injuries

External Links

• American Academy of Dermatology: Diseases & Conditions
• National Center for Biotechnology Information: Erythema Ab Igne

References

Erythema ab igne Resources
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