How to spot and treat heat rash in babies and childrenThe hot weather this summer has made bedtime challenging for parents of young children. Symptoms of heat rash in babiesHeat rash may be uncomfortable, however it is "usually harmless" and "usually gets better on its own after a few days". The symptoms of heat rash are identical in adults, children and babies and can occur anywhere on the body. ‌The symptoms are:small, raised spotsan itchy, burning or prickly feelingmild swellingWhat does heat rash look like? This is the most prevalent form of heat rash and is medically referred to as "miliaria rubra".