"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 ...

Having a circular rash can spark fears that you’ve picked up ringworm. After all, the fungal infection is notorious for causing a ring-shaped rash. But there are a lot of other circular rashes that ...

A circular rash isn't always ringworm. While the bullseye circle rash is typical of ringworm, a fungal infection, the cause also can be an allergic reaction, skin disorder, or other type of skin ...