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Why does my dog vomit yellow bile in the morning on an empty stomach?

Updated On September 23rd, 2025

Pet's info: Dog | American Pit Bull Terrier | Male | neutered | 1 year and 4 months old | 67 lbs

My dog is about 1 yr 4 months and every month or so (sometimes more frequent + less frequent) since I’ve had him ( October) he has vomited generally in morning. There’s never really any food in it just bile, and he has an appetite. Should I be concerned or is it just cause he hadn’t had food since the evening? He is about 65-70lbs pitbull

2 Answers

Most Helpful Answer

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Answered By Joy Fuhrman, DVM, MBA, CPA

Veterinarian

Published on April 27th, 2018

This could be due to acid reflux. You can try an ant acid medication such as omeperazole to see if it helps. If you don’t see improvement in 1 to 2 weeks, you should follow up with your veterinarian for diagnostics including bloodwork and X-rays.

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    Answered By Daniel Fonza, DVM

    Veterinarian

    Published on

    Hi there and thank you for using Petco Pet Education Center, formerly Petcoach to address your concern. With your description, I would suspect this may be due to the diet. Many cases, about 65-70% of vomiting / diarrhea cases, can be linked directly to the diet or an imbalance of the normal intestinal bacteria. I would recommend switching to a brand new food altogether (Royal Canin, Science Diet, Natural Balance, Purina One). Give the new diet about 4-6 weeks and see if there is an improvement. I would also consider adding a probiotic such as Purina Fortiflora, which can be found online or at your local pet store. I hope this helps! Please let me know if you have any other questions or concerns and I would be more than happy to help you further.

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