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 ...

We usually think of COVID-19 as a viral illness that causes respiratory symptoms, like congestion, sore throat and a cough. But, like a surprising amount of other viruses, the coronavirus can also ...

Hives, or urticaria, are a common skin rash that appears as raised, itchy welts. Sometimes, hives resolve quickly on their own, but if they persist, over-the-counter medications often help. Hives ...

But there’s one side effect that’s well established but little known and still puzzling to doctors: the “keto rash” or prurigo pigmentosa. This rash fits the man’s case perfectly—red, raised, itchy ...

As if the mental toll of stress wasn't enough, it can also manifest in a multitude of physical symptoms — from hair loss to acne. And one often-overlooked way anxiety can manifest is in stress hives, ...

Alcohol is a potential trigger for hives. Hives may develop due to an allergic reaction to alcohol or other ingredients in certain beverages, such as grapes in wine or grains in beer. Urticaria, more ...