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

If over-the-counter antihistamines aren’t effective for you, your doctor may recommend H2 blockers, steroids, biologics, or ...

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 ...

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 ...

A stomach rash due to pityriasis rosea is not itchy in most cases. However, some conditions may cause an itchy rash on your stomach. What are the symptoms of a pityriasis rosea rash on your stomach? A ...