Unlike most rashes, hives: Hives can develop anywhere on the body, but most commonly appear on the chest, neck, arms, and legs. If you have hives Hives can have a few different causes, including ...

Hives are severe or cover a large area of your body. You believe your hives are caused by an allergy. Anaphylaxis is a medical emergency. If you or someone else is experiencing symptoms like ...

Drug rashes can be an unwanted side effect of many medications. Learn which medications can cause these skin reactions.

Shingles is a painful rash with blisters that develops on one side of the face or body. It’s caused by the varicella zoster virus (VZV), which is the same virus that causes chickenpox.