Ingredients in some vitamin supplements may cause hives or a skin rash. Treatments include antihistamines and topical corticosteroids.

Medically reviewed by Danielle Weiss, MD Up to 30% of people with chronic hives (also known as chronic urticaria) have an ...

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 ...

Stress affects every aspect of our lives and how you cope has a big impact on your overall health, including your skin. If you have hives, stress can cause a flare-up of hives. Such "stress rash," the ...

Q: My skin has always been sensitive, but lately it is worse, and now I develop mosquito bite-like hives wherever I scratch or rub. What could this be? A: This sounds like a possible case of ...

There are more reasons than ever for people to be stressed out right now. Unfortunately for some, that increased stress can present physically. Those suffering from higher-than-normal stress levels ...

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 ...

The most common causes of an itchy scalp are dandruff, lice, psoriasis, or a stress rash. Here's how to determine which may be behind your scratching.

When vasculitis affects the skin, it can cause red or purple spots to develop. It may also cause ulcers or blisters. A vasculitis rash can become painful or itchy. Vasculitis is an inflammation and ...

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 ...