4. Oh My Darling, Calamine
Dab on some calamine lotion to soothe and help dry out the rash. It’s not the prettiest look but it’s a surefire heat rash treatment that will make your skin feel better and it’s available at any drugstore.

5. Anoint Yourself
Over-the-counter ointments with hydrocortisone cream, like Aveeno Anti-Itch Cream, relieves the itch and inflammation on rashes that don’t cover very large areas of your body.