But rashes happen for a range of reasons ... and they could be a sign of a serious allergic reaction. Hives might not cause any discoloration on darker skin, so be alert for raised patches ...

Fabric softener and dryer sheets can cause itchy, irritant reactions. "You see rashes in places that are covered by clothing and relative sparing where the clothing is not," says Amy Newburger ...

The cause of rashes can vary, spanning allergic reactions, infections, autoimmune diseases and environmental irritants.

Symptoms may range from sneezing, a runny nose, and coughing to a skin rash or itchy bumps. Seek help from a healthcare provider if your baby exhibits any signs of an allergic reaction that don ...

Unlike most rashes, hives: Hives can develop anywhere ... hives can be a sign of a life-threatening allergic reaction known as anaphylaxis. Seek immediate medical care or go to your nearest ...