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My dog overate & is vomiting pink bile after Cerenia. What's wrong?

Updated on September 23rd, 2025

Pet's info: Dog | Miniature Schnauzer | Female | spayed | 5 years and 9 months old | 14 lbs

My mini schnauzer got into her cousin-dog's dry food last night and over-ate while visiting them. It is a premium, natural food with no additives, She was fine throughout the night but maybe just a bit uncomfortable. This morning she had a normal BM, and a few hours later she began vomiting. It was large pieces of food coming up, then it turned to bile with a pink tinge. Now she is vomiting frothy bright pink bile. I gave her a Cerennia tablet I had from the last time we had a GI issue.

1 Answer

Most Helpful Answer

Lauren Kennedy, DVM

Answered By Lauren Kennedy, DVM

Veterinarian

Published on May 26th, 2017

Good call on giving Matilda the cerenia tablet! Hopefully she will keep it down and the vomiting will stop. My assumption is that she's got some gastritis (inflammation of the stomach wall) from overeating a food her body isn't used to. When the stomach wall gets really inflammed there can be bleeding and sometimes ulcerations. However keep in mind that schnauzers can be prone to pancreatitis which can be a lot more complicated than a simple case of gastritis. If the vomiting continues beyond 24 hours I would go see your vet. Once there they can assess Matilda and determine exactly what is going on. Good luck!
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