Stop using any new soaps, lotions, detergents, or cosmetics that may be causing irritation
Wash the area gently with lukewarm water and a mild, fragrance-free cleanser
Keep the rash clean and dry
Avoid scratching or rubbing the area
Apply a cool compress for 10 to 15 minutes at a time
Use a fragrance-free moisturizer if the skin is dry or irritated
Try an over-the-counter hydrocortisone cream for mild itching or inflammation
Take an over-the-counter antihistamine if the rash is itchy and you can safely use it
Wear loose, breathable clothing
Avoid heat, sweating, and known triggers
Do not use new products on the rash until it clears
Seek medical care if the rash spreads quickly, is painful, has blisters, has pus, comes with fever, or does not improve in a few days