Soak 1 teaspoon of cumin seeds and 1 teaspoon of coriander seeds in 12 ounces water overnight. Strain and drink the liquid the next day. This can be done daily until the rash goes away.
Apply baking powder or baby powder. YOU MUST KEEP AREA DRY!!
Apply aloe vera, cod liver oil, or garlic oil to the irritation.
Take vitamins A, C, D, and E and zinc to aid the healing process.