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

Scratching is often pleasurable, which suggests that, in order to have evolved, this behavior must provide some kind of ...

A sun rash is an immune system reaction to sunlight exposure that causes itchy bumps, raised patches, or blisters on your skin. Here’s why and how to find relief.

Folliculitis, caused by bacterial or fungal infections, is inflammation of your hair follicles. It presents as bumps or a rash on your skin anywhere hair grows, including the scalp, torso, arms ...

I turned 50 during the pandemic and, like most people, I put off all nonessential health care, including my shingles vaccine. Big mistake. When the telltale red bumps of shingles cropped up on my ...