Medically reviewed by Candice W. Jones, MD FAAP Key Points Baby neck rashes are common and not usually a cause for ...

Thyroid disease can sometimes cause repeated bouts of an itchy skin rash known as hives. In fact, up to 30% of people with chronic hives (also known as chronic urticaria) have an underlying autoimmune ...

Noticing a new rash? Or maybe a red bump you haven’t seen before? Perhaps a bite or sting is causing unexpected symptoms? Whatever may be the case, skin redness is a very common occurrence. There’s a ...

Lots of things can turn your skin red, including acne, an allergic reaction, or a severe skin disorder. Sometimes the redness goes away on its own. But you may need treatment if your symptoms are ...

Urticaria pigmentosa — also known as maculopapular cutaneous mastocytosis (MPCM) — is an itchy rash that shows up most often in children and young adults. The rash may look reddish-brown, gray, ...