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My unvaccinated dog is throwing up water, won't eat, and is tired.

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | unneutered | 6 months and 25 days old | 33 lbs

My dog Hydro, who is a Bullmastiff cross, and eight months old has been throwing up and will not eat. He is drinking, but can't hold it down. He seems to be very tired, and down. Im not quite sure what to do or what is wrong with him. Some important information may be that he has not yet been fully vaccinated. The pictures are not much but he is just not himself and doesn't seem to want to do much of anything at all lately. This started happening about a week ago. Any advice?

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1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on December 11th, 2019

You have to Hydro into a vet now. It's a medical emergency when a dog can't even keep down water, and leaving him in this condition without veterinary care is cruel. He could die from dehydration. Take him into a vet immediately.

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