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Why is my dog gassy and pooping weird after spay surgery?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 11 months and 22 days old

Hello my 11 month old, got spayed yesterday. She is doing very well, I keeping her crated apart from on my lap for cuddles and wee wee. She is normally a picky eater and has dry kibble. But today I wet moistened her food and she wolfed it down. But this evening she had been passing smelly wind. Is that due to me moistening her food or perhaps the surgery? She did a poo just now first part was yellow and soft then ended with a firm brown stool.

1 Answer

Most Helpful Answer

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Answered By Lindsey Edwards MVB, BSc, IVCA

Veterinarian

Published on July 3rd, 2018

Anaesthetic can definitely cause gastrointestinal upset such as you describe, mild vomiting and diarrhea is also common. A probiotic such as canikur or fortiflora can be very helpful to rebalance the bowel and settle the system

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