For other uses, see Serial killer (disambiguation). A serial killer is typically a person who murders three or more people, usually in service of abnormal psychological gratification, with the murders taking place over more than a month and including a significant break (a cooling off period) between them.
Heat rash (prickly heat) is a red or pink rash usually found on body areas covered by clothing. It can develop when the sweat ducts become blocked and swell and often leads to discomfort and itching. Heat rash is most common in babies, but it may affect adults in hot, humid climates.
Pictures of heat rash (prickly heat) pictures and read about heat rash symptoms like red bumps on the skin and an itchy or prickly feeling to the skin. Treatment information is also included.