Unlike the name implies, ringworm is not actually a type of worm or parasite, but a fungal infection that affects the skin and nails of an animal. Ringworm is a zoonotic infection, meaning that it can pass from cats to other types of animals, as well as to humans.
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Signs and Symptoms
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Cats usually exhibit a bald, round lesion. This lesion may appear itchy and scaly. Sometimes lesions are not present.
Diagnosis
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A specialized black light is shone on the affected area, causing the infected hairs to fluoresce. Another means of diagnosis is the plucking of hairs from the affected site and examining them beneath a microscope. The collection of spores for a fungal culture is the most effective way veterinarians diagnose ringworm.
Transmission
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Ringworm is caught by coming in contact with spores of the fungi in the environment, or through contact with an infected animal.
Treatment
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In mild cases, a topical anti-fungal solution is given to the cat. More severe cases require topical and oral anti-fungal medications.
Environmental Control
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The environment of an infected cat must be taken care of to prevent re-infection of the animal. Vacuuming or wet mopping are recommended. A 1:10 bleach and water solution should be used whenever possible. The cat's bedding and supplies should be cleaned or disposed of.
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