Remedies for Skin Rashes Due to Heat

Heat rash, also called prickly heat or miliaria, develops when blocked sweat ducts trap sweat near the skin surface. It may cause small bumps, redness, stinging or itching, especially in skin folds and areas covered by clothing. See the guides to Skin Rash and Skin Redness for related symptoms.

Move to a cooler space and use a cool, damp cloth for short periods. Allow the skin to air-dry, avoid heavy ointments and fragranced products, and choose breathable loose clothing. Do not scratch or scrub the bumps. A bland moisturiser may reduce rubbing once the skin is dry; discuss whether Emollient Therapy or a short course of Topical Corticosteroids is suitable if inflammation persists.

Arrange medical advice if the rash is spreading, painful, warm, oozing, associated with fever, or not improving after cooling and reducing sweating. Get urgent help for trouble breathing, faintness, or swelling of the lips or tongue.

Could this be heat rash rather than contact dermatitis or infection? Which products should I stop, and how should I protect the area during exercise or hot weather?