A stomach rash can cause pain, itching, and general discomfort. There are numerous underlying causes of stomach rash, including infections and allergies. Identifying the type of rash can help ...

Medically reviewed by Susan Bard, MDMedically reviewed by Susan Bard, MD Itchy hives on the stomach can be caused by numerous things, from allergic reactions to severe stress and sunburn.

DEAR DR. ROACH: About 45 years ago, I came down with a rash on my chest and stomach from taking ampicillin. I was told never to take penicillin again. I’m allergic to many antibiotics ...