NHS heat rash symptoms and when to see a GP as heatwave continues

NewsHealthHealthMany people develop rashes in hot weather08:21, 17 Jul 2026The NHS has outlined the signs of heat rash and when to seek medical attention, as the latest UK heatwave persists. On Thursday, temperatures of at least 30C were registered for the 12th day running.‌During sweltering conditions, many people develop heat rash, referred to as prickly heat. While this proves bothersome, it's typically harmless and generally clears up independently within several days. Tell-tale signs include tiny, raised bumps, accompanied by slight swelling and an irritating "prickly" sensation.‌The rash appears red on white skin, although it may prove more difficult to detect on brown or black skin. Signs are generally identical in both adults and children.‌The rash can emerge anywhere on the body a