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Ringworm

Ringworm is a common skin infection that is caused by a fungus. It’s called “ringworm” because it can cause a circular rash (shaped like a ring) that is usually red and itchy. Anyone can get ringworm. The fungi that cause this infection can live on skin, surfaces, and on household items such as clothing, towels, and bedding.

Ringworm goes by many names. The medical terms are “tinea” or “dermatophytosis.” Other names for ringworm are based on its location on the body – for example, ringworm on the feet is also called “athlete’s foot.”

For other fungal topics, visit the fungal diseases homepage.

Ringworm Topics

Photomicrograph of the dermatophyte Trichophyton mentagrophytes.Definition

What is ringworm?

Little girl with ringworms on head.Symptoms

Learn about ringworm symptoms

Foot with flip-flop in shower.Risk & Prevention

Who is at risk?

Little girl with cat and little boy with dog.Sources of Infection

How do people get ringworm?

Doctor using microscope at desk in laboratory.Diagnosis & Testing

How is ringworm diagnosed?

Woman applying cream to her foot.Treatment & Outcomes

Antifungal treatment

Diverse group of doctorsHealth Professionals

Technical information about ringworm

A lady with a puppy looking at a laptop.More Resources

More resources and related links

 
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  • Contact CDC–INFO
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