Move to a cooler environment
Wear loose, breathable clothing
Keep the skin dry
Take cool showers or baths
Use fans or air conditioning
Avoid heavy exercise and sweating
Apply cool compresses
Use calamine lotion
Use fragrance-free, gentle skin products
Avoid oily creams and ointments
Change out of sweaty clothes promptly
Keep skin folds clean and dry
Use cornstarch or drying powder if appropriate
Do not scratch or rub the rash
Seek medical care if it worsens, becomes painful, or shows signs of infection