Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is ...

Medically reviewed by Brendan Camp, MD Hives and eczema are two of the most common skin disorders. Hives, clinically known as ...

The rash usually begins as flat red spots that appear on the face at the hairline and spread downward to the neck, torso, ...

What if the food you eat and the way you handle stress could make a real difference for your chronic spontaneous urticaria?

A sun rash is an immune system reaction to sunlight exposure that causes itchy bumps, raised patches, or blisters on your ...