Why Is My Dog Vomiting?


If your dog only vomits once, that’s normal. What’s not normal is if your dog shows any other symptoms other than vomiting, or if the vomiting is constant, if there is blood in the vomit, or it lasts more than a day. Then, your dog needs to see a vet like ours at St. Francis Hospital for Animals in Oakdale, NY.

Causes of Vomiting

Dogs vomit for many reasons. This can be due to overeating, injury, eating something spoiled, being poisoned, as a result of illness or as a bad reaction to food or medication. If your dog vomits what looks like old coffee grounds, that is old blood.

Vomiting Grass

Many dogs like to eat grass. Unfortunately, they then throw it back up. This is normal. It is thought that dogs eat grass to try and treat an upset stomach.

Bilious Vomiting Syndrome

This often happens to middle-aged or older dogs. When waking up, the dog vomits thin yellow or white bile. This happens when the stomach has been empty for a while and is irritated by the acids in it. Feeding the dog helps. Also, feeding the dog a snack before bed can also lessen the bouts of vomiting in the morning.

Vomiting in Puppies

Puppies dehydrate very quickly, which can lead to death. If they vomit a lot or have diarrhea, too, then contact our veterinarian right away.

What Your Animal Hospital Needs to Know

When you contact our veterinarian or animal hospital about your dog’s vomiting, we will need to know some information to help diagnose and treat the problem. We need to know when your dog started vomiting, what the vomit looks like, if there are any other symptoms other than vomiting, and if the dog started any new foods or medications. We will also need to know if the vomit just falls out of your dog’s mouth or if he is projectile vomiting.

Still Have Questions?

If you have questions about why your dog is vomiting that have not been answered here and live in the Oakdale, NY, area, contact us at St. Francis Hospital for Animals by calling (631) 567-1359 to make an appointment today.

We look forward to hearing from you

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