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Kitten has worms & diarrhea on Clavamox. Can I use OTC dewormer?

Updated on September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | neutered | 5 lbs

Hello! I adopted an 8 week old male kitten today. He has a cold and I was given Clavamox antibiotic medicine that I give it twice a day. Later I noticed he has roundworms in his stool and yellow diarrhea. Is it safe to buy an over-the-counter dewormer and use it along with the antibiotic?

1 Answer

Most Helpful Answer

Cara, DVM, cVMA

Answered By Cara, DVM, cVMA

Veterinarian

Published on August 29th, 2017

Ideally I would have Mittems checked out by your vet and have a stool sample checked for parasites. If he has roundworms it's also possible he has other parasites or coccidia as they are very common in kittens. An over the counter dewormer such as pyrantel or fenbendazole should be safe to give with Clavamox though.
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