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My German Shepherd puppy won't eat and is weak after deworming.

Updated on September 23rd, 2025

Pet's info: Dog | German Shepherd | Male | unneutered | 1 month and 23 days old | 5.5 lbs

Hi I have an German shepherd puppy his name is Tyson He has not been eating any food from the past 2 days.He has turned very weak. And to bring this it your account he has been dewormed so i basically think he is ill because of the deworming..........but in that case I also have another female puppy whose name is Sif but she was not affected at all even after the deworming process.....she is all fine so in need your help to cure tyson (male puppy)

1 Answer

Most Helpful Answer

Anna M., DVM

Answered By Anna M., DVM

Veterinarian

Published on April 7th, 2019

Hello, and thanks for your question about Tyson. It is not normal for a puppy to become so ill and stop eating after a deworming treatment, so I'm concerned there's something else going on. If Tyson hasn't eaten anything in 2 days, he needs to be seen by a vet to determine what's going on.
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