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Why is my dog vomiting and in pain after surgery? Is it anesthesia?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | spayed | 8 years and 6 months old | 13 lbs

Hi my dog had a minor surgery, she had a small lump on her back and we had to have it removed as it kept growing in size daily. But after the surgery she started having her pain around her stomach to which she had to be given an injection to ease the pain. She cannot eat anything, whatever she eats she vomits after consuming any food. Could the anesthesia be causing her indigestion? Could it be the reason to her gastric problem? If so, what would be the best solution to help her? Please!!

1 Answer

Most Helpful Answer

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Answered By Jessica Desrosiers

Veterinary Technician

Published on July 24th, 2017

If the anesthesia was given within the last 24 hours, it can cause some vomiting and digestive upset as a side effect, however this usually resolves within 24 hours. Some pain medications and antibiotics given after surgery may also cause minor digestive upset, however if Sally is continuing to vomit, or is very tender or painful on her abdomen, this is very concerning and should be brought to the attention of your vet. They may recommend a recheck of the area, or additional medications to help protect the stomach while she heals.

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