But there’s one side effect that’s well established but little known and still puzzling to doctors: the “keto rash” or prurigo pigmentosa. This rash fits the man’s case perfectly—red, raised, itchy ...

Medically reviewed by Susan Bard, MD A rash under the breast often results from heat, moisture, eczema, allergies, fungal ...

You notice a rash appearing on your skin and your first instinct is probably to blame it on new laundry detergent, stress, or maybe something you ate. Most of the time, you’d be right – rashes are ...

Add Yahoo as a preferred source to see more of our stories on Google. Heat rash and sun poisoning are two medical conditions that might sound similar, but are treated entirely differently. And, with ...

Stress triggers histamine release, which can cause itching, redness, and hives in some people. Can over-the-counter (OTC) antihistamines provide relief? Histamine is a key chemical involved in ...

This autoimmune disease may impact your skin as well as your nails and hair. Learn what to look for to treat lupus more effectively.

A malar rash, or butterfly rash, typically appears across the cheeks and bridge of the nose in a butterfly shape. Lupus and rosacea are two conditions that can cause a malar rash. A malar rash can be ...

For most, summertime shine is a welcome change after a cold winter, but the summer heat comes with its own dangers. Heat rash is something that adults, children and infants can experience when sweat ...

Amber breaks out in hives if the temperature goes below 12C (53F) and wishes for a "normal life".