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My cat's ringworm was diagnosed by stool test. Is dewormer correct?

Updated On September 23rd, 2025

I took 2 stool samples and 1 was positive with ringworm. I told the vet-assist that my other pet had some bald spots on her head & thought that it could be that as well. They gave both the same medicine pyrantel pamoate, which is for parasites. I'm worried if there was a confusion with the info from the assistant or having the wrong treatment. Should I continue giving the cat that was negative in the stool test the medicine? Is it harmful? Dosage is 1 a day for 5 days, repeat after 3 weeks. ​

1 Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on January 17th, 2019

Are you sure you mean ringworm and not hookworm, roundworm, or whipworm? Ringworm isn't diagnosed with a fecal sample, it is diagnosed with a fungal culture. Ringworm is a fungal infection, it does not show up in the feces. You are correct that pyrantal pamoate is used for intestinal worms. It's fine to give them the deworming treatment as it will help keep them from getting worms, but if you think they have ringworm, that requires a different medication. Best of luck.

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