Ringworm is a superficial skin infection, also known as tinea, that is caused by fungi, not a worm. It is so named because ringworm is characterized by a red ring of scaly skin. Follow the links below to find WebMD's comprehensive coverage about how ringworm develops, what it looks like, its symptoms, treatment, and much more.
Understanding Ringworm -- Diagnosis and Treatment
Ringworm is itchy, scaly, and contagious. Luckily, it’s also treatable. Find out what meds work to kill the fungus, and what you can expect while using them.
What Are the Symptoms of Ringworm?
You’ve got itchy, scaly patches on your skin. Is it ringworm or something else? Learn the symptoms to find out.
Ringworm:Symptoms, Causes, Treatments
What’s itchy, scaly, round, and contagious? Ringworm, of course. Find out what it is, what causes it, what the symptoms are, and how it’s treated.
Fungal Infections of the Skin
Learn about symptoms, causes, and treatments for common fungal infections, including athlete's foot, jock itch, ringworm, and yeast infections.
Summer Bummer: Skin Suffers
Infections, Insects, Sun, Pool Water -- They All Wreak Havoc on Skin
Minor Athlete Infections and Other Annoyances: How to Prevent and Treat Them
Herpes, athlete’s foot, jock itch, ringworm, impetigo, swimmer’s hair, and more — find out how to prevent and treat minor athlete infections.
Slideshows & Images
Slideshow: Ringworm -- A Collection of Photos
Ringworm is a common skin infection otherwise known as tinea. It is caused by a fungus. While there are multiple forms of ringworm, the most common affect the skin on the body (tinea corporis), the scalp (tinea capitis), the feet (tinea pedis, or athlete's foot), or the groin (tinea cruris, or jock itch).
Picture of Ringworm of the Foot (Tinea Pedis)
Athlete’s foot is caused by a fungus that grows on or in the top layer of skin. Fungi (plural of fungus) grow best in warm, wet places, such as the area between the toes.
Picture of Ringworm
Ringworm is characterized by a red ring of small blisters or a red ring of scaly skin that grows outward as the infection spreads. Though children are especially susceptible to catching ringworm, it can affect adults as well.
Picture of How Is Ringworm Diagnosed?
If you have a ring-shaped rash, you very likely have ringworm. Your doctor will be able to tell for sure.