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Why is my puppy throwing up after new food, shots, and odd poop?

Updated On September 23rd, 2025

Pet's info: Dog | Bugg | Female | unspayed | 4 months and 16 days old | 7.3 lbs

7 lb, 4 month old puppy got 2nd round of shots Tuesday, thew up a little bit the next 2 nights. She had an unusual BM this morning (1st pic). For the first time this morning and afternoon I mixed her usual puppy food w/ new food then a couple hrs later she threw up (2nd pic). Sleeping again now.

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1 Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on April 13th, 2019

Thank you for contacting Petco Pet Education Center, formerly Petcoach with your question about Zia. You can see as a side effect some vomiting, and while protracted vomiting is a concern, throwing up a little bit isn't too bad. If you are giving her a new food, then I'm wondering if that caused the vomiting today. I can give you a home remedy to see if that helps. Withhold food for 6 hours, then feed a bland diet of boiled white meat chicken (no bones) and white rice in small amounts several times a day for a couple of days. Then slowly add back in her normal diet. If the vomiting continues in the absence of food, she vomits the bland diet, develops diarrhea, stops drinking water, starts vomiting water, or becomes very lethargic, she will need to see a vet right away. I hope this helps!

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