While allergies are the main cause of hives, stress can also contribute to the itchy red bumps that make up a rash. Here's ...

Hives are a type of rash that are usually caused by an allergic reaction, a bacterial infection, or even stress.

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 ...

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 ...

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 ...

Vitamin B supplements can cause skin rashes, hives, and flushing if taken in excess. Learn about potential side effects and when to consult a healthcare provider.

Norovirus doesn’t usually cause a rash, though some people develop hives. A rash that accompanies stomach symptoms may suggest a different stomach virus or inflammatory bowel disease. Norovirus is a ...

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 ...