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

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

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

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 ...

But if certain symptoms seem out of the ordinary when you step outside in winter, it could be you're allergic to the cold. Hives, which are red, itchy bumps that appear on the skin, can appear ...