Ringworm is diagnosed by fungal culture, examination with an ultraviolet lamp, and direct microscopic examination of hair or skin scale. Fungal culture of hairs and scrapings from the affected areas is the most accurate method. Direct microscopic examination of hairs or skin scrapings may allow early diagnosis.
How are dogs tested for ringworm?
Your vet will diagnose your dog with ringworm by performing a diagnostic test, as well as a physical exam. He will probably take a sample of hair or skin cells for a fungal culture or examine infected hairs under a special ultraviolet light called a Wood's lamp.
Do vets test for ringworm?
Organisms that are shed into the environment can remain infectious for months. The best way to diagnose ringworm infection in an animal is by fungal culture. The veterinarian will pluck a few hairs from several lesions and place them on a culture medium where the organism can grow.
How much does it cost to test a dog for ringworm?
The fungal culture is done on the hair or skin cells and costs $45 on average. Another method used to diagnose ringworm is an examination using Wood's Lamp. The Wood's Lamp method illuminates any fungus on the dog's hair. If the veterinarian chooses to use this method, it can cost $20 - $50 on average.
Do I need to take my dog to the vet for ringworm?
When to See a Veterinarian If you decide to treat your dog's ringworm on your own, reach out to a vet if the infection seems to be spreading or getting worse so they can prescribe oral antifungal medication.
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