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Dr. Andrew Rynne
Dr. Andrew Rynne

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Exp 50 years

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Article Home Skin Disorders Ring worm

Ring worm

Ringworm is a skin infection caused by a fungus

Ringworm can affect skin on your body (Tinea corporis), scalp (Tinea capitis), groin area (Tinea cruris, also called jock itch), or feet (Tinea pedis, also called athlete's foot).



Ringworm is contagious.

It can be passed from one person to the next by direct skin-to-skin contact or by contact with contaminated items such as combs, unwashed clothing, and shower or pool surfaces.

You can also catch ringworm from pets that carry the fungus. Cats are common carriers.


Signs & Symptoms

  • Itchy, red, raised, scaly patches that may blister and ooze. The patches often have sharply-defined edges
  • They are often redder around the outside with normal skin tone in the center. This may create the appearance of a ring. Your skin may also appear unusually dark or light
  • When your scalp or beard is infected, you will have bald patches
  • If nails are infected, they become discolored, thick, and even crumble



  • Ringworm usually responds well to self-care within 4 weeks without having to see a doctor
  • Keep your skin clean and dry
  • Apply over-the-counter antifungal or drying powders, lotions, or creams. Those that contain Miconazole, Clotrimazole, or similar ingredients are often effective
  • Wash sheets and nightclothes every day while infected
  • A severe or persistent infection may require treatment by a doctor.