Medically reviewed by Keri Peterson, MD Key Takeaways Poison ivy, poison oak, and poison sumac have oils that cause itchy ...

The rash often first appears on the chest and then spreads to other areas of the body. The rash pattern changes as the illness progresses. It starts with small fluid-filled vesicles that look like ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Having a circular rash can spark fears that you’ve picked up ringworm. After all, the fungal infection is ...

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 ...

What Is a Morbilliform Rash? A morbilliform rash is any rash that looks a lot like measles. The word “morbilliform” means measles-like. Sometimes dermatologists call them morbilliform eruptions. Many ...