Heat Rash on the Buttocks: Remedies

Sweat and pressure from sitting can keep the buttocks warm and damp. Heat rash may show as small itchy or prickly bumps, with or without redness. A broad, sore, sharply bordered, or scaly rash may have a different cause. Use [Heat Rash](/conditions/heat-rash/) and [Skin Rash](/symptoms/skin-rash/) as background, but do not rely on a page to diagnose a changing rash.

After washing, pat dry rather than rubbing. A cool damp cloth can soothe the area; let the skin dry before dressing. Select loose, breathable underwear and change it after sweating. Take movement breaks if sitting causes rubbing, and avoid scented powders, wipes, and thick greasy layers. If the skin is dry rather than moist, ask about a light moisturiser and read [Emollient Therapy](/treatments/medical-dermatology/emollient-therapy/). Stop any product that stings or worsens the rash.

Arrange an appointment when symptoms keep returning, spread beyond the buttocks, or fail to improve after the area is cooled and dried. Pus, open sores, increasing warmth, significant swelling, severe tenderness, or fever need prompt medical review. Seek urgent help for rapidly worsening pain, facial swelling, breathing trouble, or severe illness.

Ask whether the pattern fits heat rash, whether friction or a product is maintaining it, and whether a medicine is needed. Mention itching, pain, discharge, recent exercise, and any new laundry or skin product.