Green Vomit in Dogs: What Made My Dog’s Puke Green?

How scary would it be to discover your dog vomiting green stuff? Quite scary even though it typically doesn’t involve demons or extraterrestrial lifeforms.

Symptoms to Watch for in Your Dog: Green Vomit

Now, bile/stomach juices can have a greenish tint to it. In theory anyway; I’ve never seen bile vomit of that color. I’ve seen various shades of yellow and white, but not green.

After eating enough grass, vomit can look green but that is not the color I’m trying to depict above either. What we’re talking about here is a very green color. Really, really green.

Bright green vomit is an emergency.

Edible things don’t come in technicolor. I still remember the case of my friend’s dog who managed to eat about 130 paintballs. I guess it seemed like a good idea at the time. This feast ended up with severe sorbitol toxicity. With aggressive treatment, the dog made it through the ordeal. If want to see what the technicolor vomit looked like, you can see it here.

Paintballs do not qualify as a healthy snack. Paintball toxicity generally ranges from moderate to severe. It’s not very common but neither is green vomit. The paintballs my friend was using were supposed to be non-toxic. Supposed to be being the keyword.

Rat poison.

Some types of rodenticides (poisons used to kill mice and rats) are dyed a bright green/turquoise color. It would look something like this or this. Pretty colors, huh?

That dye is a favor to dog parents, since then you at least clearly see there is a problem. Unfortunately, not all rodenticides come with this feature, and some of the newer types don’t even come with an antidote. That is a material for its own post, though.

Antifreeze poisoning.

Vomit that has the fluorescent green color of antifreeze can indeed mean antifreeze poisoning. While dogs find antifreeze appealing for its sweet taste, it is extremely toxic.

If your dog’s vomit is a technicolor green, seek emergency help immediately.

Categories: Green vomitSymptomsVomiting

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Jana Rade edited by Dr. Joanna Paul BSc BVSc

I am a graphic designer, dog health advocate, writer, and author. Jasmine, the Rottweiler of my life, was the largest female from her litter. We thought we were getting a healthy dog. Getting a puppy from a backyard breeder was our first mistake. Countless veterinary visits without a diagnosis or useful treatment later, I realized that I had to take Jasmine's health care in my own hands. I learned the hard way that merely seeing a vet is not always enough. There is more to finding a good vet than finding the closest clinic down the street. And, sadly, there is more to advocating for your dog's health than visiting a veterinarian. It should be enough, but it often is not. With Jasmine, it took five years to get a diagnosis. Unfortunately, other problems had snowballed for that in the meantime. Jasmine's health challenges became a crash course in understanding dog health issues and how to go about getting a proper diagnosis and treatment. I had to learn, and I had to learn fast. Helping others through my challenges and experience has become my mission and Jasmine's legacy. I now try to help people how to recognize and understand signs of illness in their dogs, how to work with their veterinarian, and when to seek a second opinion. My goal is to save others the steep curve of having to learn things the hard way as I did. That is the mission behind my blog and behind my writing. That is why I wrote Symptoms to Watch for in Your Dog, which has turned out being an award-winning guide to dog owners. What I'm trying to share encompasses 20 years of experience. Dr. Joanna Paul BSc BVSc is our wonderful sponsor and has been kind to edit and fact-check my important articles.

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