President Donald Trump was photographed with skin irritation on his neck, but the rash appeared to disappear in recent photos ...

Do *not* scratch it.

Hives can cause red, itchy bumps or welts on the skin. Hives might be triggered by stress, allergies, or infections. A severe allergic reaction with hives can be life-threatening and needs immediate ...

A new rash on the right side of President Donald Trump's neck is the result of a cream used as a "preventative skin treatment," Trump's personal physician told CNN.

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 ...