Why can an unusual bald spot on the scalp be a sign of ringworm?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
A condition called tinea captis, or ringworm of the scalp, can cause patchy hair loss. A bald spot caused by tinea captis may itch and develop sores. This condition usually affects children but can occur at any age. Tinea captis is caused by a fungal infection, not worms. It's more likely to occur if a person has experienced a scalp injury or engages in activities that cause heavy sweating. Also, poor hygiene increases the risk for tinea captis.

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