A wide variety of heat sources may be associated with erythema ab igne.
Heat sources may include:
(1) occupational exposures (smelter, blast furnace, etc)
(2) laptop computer
(3) heating pad
(4) oven or stove
(5) hot water bottle
(6) heated car seat
(7) space heater
(8) heated reclining chair
(9) car heater
(10) frequent hot baths or saunas
(11) camp fire
