Erythema ab igne

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Erythema ab igne (pronounced: eh-RITH-eh-ma ab IG-nee) is a skin condition characterized by a pattern of erythematous, reticulated, and hyperpigmented patches caused by prolonged exposure to heat that is insufficient to cause a burn.

Etymology

The term "Erythema ab igne" is derived from Latin, where "erythema" means "redness," "ab" means "from," and "igne" means "fire." Thus, the term literally translates to "redness from fire."

Symptoms

The primary symptom of Erythema ab igne is a net-like rash, often red or brown, that appears on the skin. This rash is typically asymptomatic, but some patients may experience mild itching or burning.

Causes

Erythema ab igne is caused by repeated or prolonged exposure to heat that is not sufficient to cause a burn. This can occur from sources such as heating pads, heated car seats, laptops, or close proximity to a heater or fireplace.

Treatment

Treatment for Erythema ab igne primarily involves removing the source of heat. In some cases, topical retinoids or laser therapy may be used to improve the appearance of the skin.

Related Terms

  • Dermatology: The branch of medicine dealing with the skin and its diseases.
  • Erythema: A redness of the skin or mucous membranes, caused by hyperemia of superficial capillaries.
  • Hyperpigmentation: Darkening of the skin or nails caused by increased melanin.
  • Retinoids: A class of chemical compounds that are vitamers of vitamin A or are chemically related to it.

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