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My cat has tapeworms again after treatment. What should I do now?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | unneutered | 14 lbs

Hi! I just found what I believe to be live tapeworms on my cat’s behind - we treated him for worms last month, and have been keeping a vigilant flea treatment regime. Despite seeing no fleas on him and scouring the house for fleas, he appears to have worms again. What do we need to do? I’m sort of at my wit’s end here.

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1 Answer

Most Helpful Answer

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Answered By Oneal Bogan, DVM

Veterinarian

Published on August 11th, 2018

Hi there, It is likely that the infection was very strong and Booker needs another dose of dewormer, of the dewormer you gave doesn't kill tapeworms. The ingredient called praziquantel is the only one that will kill tapeworms so check if what you gave contained that. If not, I'd treat with that and the issue should resolve. Worms are not fun! I hope that helps and thanks for using Petco Pet Education Center, formerly Petcoach.

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