For a rash caused by an allergic reaction, the doctor may prescribe a mild steroid cream for a few days until the rash goes away. The best way to prevent diaper rash is to keep your baby's skin as dry ...

Usually, diaper rash is the result of an irritation, infection, or allergy. Also, starting new foods can change the content and frequency of a baby's poop, which can sometimes lead to a diaper rash.