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 ...

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 ...

Swimmer’s itch is a rash caused by an allergic reaction to the larvae of microscopic parasites that are found in both fresh and saltwater. These parasites commonly live in snails, which secrete larvae ...

Discovering a rash around your child’s mouth can trigger immediate concern for many parents. Though these unsettling red patches are frequently attributed to food allergies, the reality is much more ...

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".

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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Constantly scratching and picking at an itchy rash really does ...

LONDON, Jan 24: A 20-year-old man in Taiwan developed a red, itchy rash across his chest and shoulders after starting a ...