Move to a cool, shaded, or air-conditioned place
Remove tight or sweaty clothing
Keep the skin dry and cool
Take a cool shower or bath
Use a fan to increase airflow
Apply a cool compress for 10 to 15 minutes at a time
Wear loose, breathable cotton clothing
Avoid heavy creams, ointments, and oily products
Use calamine lotion if the skin is itchy
Use an over-the-counter hydrocortisone cream for short-term relief
Avoid sweating, heat, and friction
Drink plenty of water
Pat the skin dry after washing
Do not scratch the rash
Seek medical care if the rash worsens, becomes painful, shows pus, or does not improve in a few days