Not a worm at all, ringworms is a fungus and a relatively common one at that. Like any fungus, it thrives in moist, warm environments. Often overlooked, ringworms are highly contagious and can be transferred from person to person or from pets to person easily.

1. Classic Red Ring Rash

The fungus that causes ringworms gets its name for the distinctive red, ring rash it causes. The ring can appear anywhere on the body. Though it prefers warm moist places like the groin, bottoms of the feet and underarms. Common places include palms of the hands and bottoms of the feet. The rash is typically a small, red, flaky ring in an almost perfect circle.