An allergic reaction may cause a rash on a baby’s skin. An allergic rash, or hives, is often red or discolored raised bumps on the skin. The reaction may occur due to foods, stings, bites ...

A baby's skin is more prone to having more reactions than an adult. And that's because the skin is just different. When a baby has a rash on their arms or legs, and you think it might be the ...