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Ringworm (Dermatophytosis)

3071

12/30/01

Etiology

Several types of fungi can cause ringworm. It can affect skin, hair and nails. Young or debilitated animals are most susceptible.
Symptoms
The hair breaks off and there will be round, raised, sharply defined areas with gray or white crusting plaques. Most often these will be on the face, head, ears, around the eyes, neck or perineum (crotch).
Treatment
Any of the following daily for 5 days and then weekly:

0.5% Lime sulphur

1:10 bleach

1 % Betadine

1:300 Captan

Extra strength iodine is frequently used; however, with the frequency that is needed to affect a cure, there can be considerable damage to the skin. Glycerin can be added to the iodine to make it gentler. One can alternate the use glycerin-iodine and an antifungal cream such as Aftate®.

The thick crusts should be removed and burned.

Prevention
It seems to be more common if kids are kept in a barn in which calves were previously housed and is also more common in rainy weather.
Comments
Ringworm can be transferred to handlers. High strength iodine should never be used on tender human skin.
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CONSULTANT ©   Cornell's Diagnostic program



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