Move to a cool, shaded, or air-conditioned place
Remove excess clothing
Wear loose, breathable cotton clothing
Keep the skin dry
Take a cool shower or bath
Use a cool compress on the affected area
Avoid sweating and strenuous activity
Use a fan to increase airflow
Apply calamine lotion if needed
Use fragrance-free, gentle skin products
Avoid heavy creams and oily lotions
Do not scratch or rub the rash
Keep the area clean and dry
Stay hydrated
Seek medical care if the rash worsens, lasts more than a few days, or shows signs of infection