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Puppy giardia not clearing after Panacur. What are my options?

Updated On September 23rd, 2025

Pet's info: Dog | English Mastiff | Female | unspayed | 4 months and 23 days old | 30 lbs

Hello. My puppy has had giardia since I got her in December from Petland. She has had 3 treatments of panacur and is about to start her 4th. Should the giardia be gone by now? Is there something else that I can do to get rid of it?

2 Answers

Most Helpful Answer

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Answered By Dr. Elizabeth

Veterinarian

Published on March 1st, 2019

Most giardia does respond to panacur. Many vets will also combine this with metronidazole if they cannot get the parasite to clear. Retest the giardia after 6 weeks from the last treatment to see if the parasite is still present. I hope this is helpful and please feel free to post any additional questions.

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Other Answers

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    Answered By Angel Alvarado, LVT

    Licensed Veterinary Technician

    Published on March 5th, 2020

    The 2 drugs mentioned are the most effective ones used to treat Giardiasis. They can be used concurrently for stubborn infections. It is possible Moses is reinfecting himself. Be sure to clean up any stool immediately after he is done. Hard surfaces can be disinfected with a bleach and water solution. He should also be bathed to remove any infectious cysts that may be on his coat. Feed a bland or easily digestible diet until his stool is normal. Support his gut health with a veterinary probiotic such as FortiFlora, ProStora or ProViable.

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