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Puppy not eating, diarrhea after hookworm medicine. Should I worry?

Updated on September 23rd, 2025

Pet's info: Dog | Goldendoodle | Male | unneutered | 3 months and 13 days old | 50 lbs

The vet give me 4cc of pyrantel to help my puppy with his hookworms that they found. I gave it to him 2 days ago. Now he didn’t eat last nite his dinner and he’s not hungry today. He started with diarrhea today. And he drinks plenty of water but doesn’t eat. Should I be worry? The vet also gave me 4cc more of pyrantel to give him 3 days after he took the first other doce. what can I give him to help to don’t dehydrate. The diarrhea is normal?

1 Answer

Most Helpful Answer

Dr. Strydom, DVM

Answered By Dr. Strydom, DVM

Veterinarian

Published on September 22nd, 2019

That sounds like the correct dose of pyrantel. I don't know if Billy is not eating because of taking the pyrantel or not. Some diarrhea while treating for worms is expected. Unless the diarrhea is extremely water I would not overly worried about dehydration especially since he is drinking water. I would, however, be worried about a puppy that doesn't eat for longer than 48 hours. I suggest you call your vet for more advice.
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