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My puppy vomited undigested food. When should I be concerned?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 5 months and 19 days old | 30 lbs

My puppy throw up Monday and mow this morning. Should I be concerned? The throw up was only his food and they looked like full pieces still (not sure if that matters)

3 Answers

Most Helpful Answer

Answered By Susan England-Foster

Veterinarian

Published on October 5th, 2017

If Toby has only thrown up 1 maybe 2 times but is still eating,drinking and playing normally I would continue to monitor his behavior . If at anytime he starts vomiting more, acting lethargic, having diarrhea or not eating I would recommend taking him to a vet as soon as possible. It is possible that Toby ate something he should not or even had a mild upset stomach that caused him to get sick. IF he is acting normally but continues to occasionally vomit I would recommend switching his dog food because sometimes vomiting can be secondary to a food allergy. I hope that helps

1Pet Parents found this answer helpful

Related Answers from Veterinarians

Answered By Kevin Sanada, DVM
Veterinarian
Published on December 22nd, 2017
If he's not vomiting anymore and is otherwise acting normal, then I would not be worried. Make sure to only feed a little food (1/2 cup) at a time, because a big meal could make him feel like vomiting again.

It's not uncommon for dog to just get an upset stomach and feel better later, so hopefully this is the case for Norman. If he continues to vomit, or has diarrhea later on, then it may be worth checking in with the vet again.

For more information, I recommend reading the short article at the link below.

https://www.petcoach.co/article/diarrhea-vomiting-in-dogs-when-to-call-your-veterinarian/

I hope that helps and all is well with Norman.
1Pet Parents found this answer helpful
Answered By David Elbeze, DVM, MRCVS
Veterinarian
Published on August 4th, 2018
He might have eaten something spoiled that is causing this. withhold food for 6 hours then offer him boiled boneless chicken and rice every 4-6 hours in small portions. if he is eating and not vomiting, continue with this diet for 2 days.

After 2 days, you can put him back gradually on his normal food.

If he continues vomiting or is not eating, take him to the vet to get treatment.
1Pet Parents found this answer helpful

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I'm sorry to hear of your concerns with Toby. It is possible that his appetite is decreased and his stomach is a little upset from the stress of being in a new environment. As long as he does not continue to vomit and he begins eating within 24 hours, I would not be concerned. If Toby is not drinking normally, becomes lethargic or develops any other symptoms such as diarrhea, I would recommend that you have him seen by a veterinarian.

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Thanks for using Petco Pet Education Center, formerly Petcoach! This could be an isolated episode in which case it would not be a big concern. However, if this continues, Toby should be evaluated by a veterinarian for further assessment and treatment. Possibilities for vomiting include gastroenteritis, dietary indiscretion, parasites, among others. Good luck and have a great day!

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If Toby is vomiting, that means he’s sick. I can give you a home remedy to see if that helps. Withhold food for 12-24 hours, then feed him 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 his normal diet. If the vomiting continues in the absence of food, he vomits the bland diet, he develops diarrhea, he stops drinking water, starts vomiting water, or becomes very lethargic, he will need to see a vet right away. I hope this helps.

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