Medically reviewed by Jurairat J. Molina, MD A circular rash is commonly caused by a fungal infection called ringworm.

But rashes happen for a range of reasons, from products that irritated you to underlying health conditions. Figuring out what’s behind your rash can go a long way toward helping to clear things up.

Discover why mouth rashes might be warning signs of underlying conditions, when to seek medical help, and effective treatment ...

From eczema to allergic reactions to bug bites, here’s what common skin rashes look like in photos, and the symptoms that can help you I.D. the condition.

But COVID-19 can also cause skin rashes, dermatologists say. And the coronavirus is just one of many viruses that may lead to itchy and even painful skin issues. While a rash can be a part of a ...

You can read all about that, and lupus symptoms here. Spider mites appear as rashes caused by issues with the skin’s arterioles. These are small arteries that supply blood and help regulate heat ...