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Diagnosis of Ringworm

Photomicrograph of the dermatophyte Trichophyton mentagrophytes.

Microscopic view of Trichophyton mentagrophytes, one of the types of fungi that cause ringworm.

How is ringworm diagnosed?

Your healthcare provider can usually diagnose ringworm by looking at the affected skin and asking questions about your symptoms. He or she may also take a small skin scraping to be examined under a microscope or sent to a laboratory for a fungal culture.

If you are a healthcare provider, please click here for more information about diagnosis of ringworm.