Skin reactions can be alarming, especially when they appear suddenly. Many people struggle to tell the difference between ...

You may develop stress-induced urticaria (hives) if you are experiencing a lot of stress. Stress can also trigger skin conditions like eczema, which causes itchy rashes. Your body releases a ...

Granuloma annulare may cause a person to develop more than one rash. It can also cause patches that cover a large amount of the body. Experts largely do not know what causes this condition.

Dog hives (also called canine urticaria) are raised, itchy welts that can appear on dogs’ skin, usually in response to allergens. These swollen bumps can pop up anywhere on your dog’s body ...