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 ...

Ringworm is a highly contagious fungal infection that affects the skin, scalp, and nails. Despite its misleading name, ringworm is not caused by a worm but by a group of fungi called dermatophytes. It ...