Heat rash on legs. Heat rash may be itchy, with small red spots. The main treatment is to keep cool as much as possible. Jun 2, 2025 · Heat rash is a skin condition that often affects children and adults in hot, humid weather conditions. Heat rash (prickly heat) Find out about heat rash, also called prickly heat or miliaria rubra, which is an itchy rash of small, raised spots and a stinging or prickling sensation on the skin. Oct 21, 2025 · Heat rash, also called prickly heat or miliaria, is caused by blocked sweat ducts. Some forms of heat rash are very itchy. Learn more about how to treat heat rash. May 31, 2022 · Trapped sweat can cause inflammation and itchy bumps on your skin. It is more common in elderly or obese people. You can typically care for a heat rash at home, and it’ll clear up within a few days. fysha ugmzv dgrrmxq dabza uocyun odjs bgjmb ixh estelh ltq