Skin reactions can be alarming, especially when they appear suddenly. Many people struggle to tell the difference between hives and a rash, but knowing the cause is the first step toward relief. Black ...

Cold weather may bring more than just a chill—some people experience allergic reactions triggered by exposure to cold ...

If you've ever self-diagnosed your inflamed, itchy scalp with eczema just to have your dermatologist tell you it's actually psoriasis, you're not alone. The two conditions are extremely similar in ...

If you notice red, itchy welts suddenly popping up on your skin, you may start to panic. Are you having an allergic reaction? Did you catch something contagious? But your mystery rash may have a much ...

A common symptom of Lyme disease is a bullseye-shaped rash. However, many other conditions may cause a similar rash, including ringworm, fixed drug reactions, and allergic reactions to insect bites.

Skin rashes can have many different causes, one of which is medications. The symptoms of drug-induced skin reactions can range from a mild itchy rash to more serious reactions, such as widespread ...

Solar urticaria is a rare allergic reaction to sun exposure. The condition causes an itchy rash or hives that appear on any skin that has been exposed to the sun. The more skin that is exposed to ...

Doctors call it "urticaria," but everyone else calls it "hives." We're talking about the incredibly itchy, swollen rash that can suddenly show up on skin, without warning, only to disappear and show ...

PALO ALTO, Calif. -- Hives and rashes are some of the symptoms infectious diseases specialists are getting calls about after people test negative for COVID. They may start on your knees or arms and ...

'The first time it happened I was walking back from my work and I had bumps and was red all over my face, ears, legs and arms ...