Medically reviewed by Jurairat J. Molina, MD A circular rash is commonly caused by a fungal infection called ringworm. However, there are many rashes that look like ringworm but aren’t. They may be ...

It’s more than fair to wonder what’s happening if you suddenly develop a skin rash, especially if they ... Ringworm can usually be treated with antifungal creams, lotions, or powders applied ...