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My Chihuahua is vomiting dark red blood. Is this an emergency?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | spayed | 17 years and 8 months old | 7 lbs

My 7 lb Chihuahua has been vomiting all day. The color and texture has changed from a clear somewhat chucnky. Now, it is a red or dark small blob. This has never happened before.

1 Answer

Most Helpful Answer

Mirissa Duncil, DVM

Answered By Mirissa Duncil, DVM

Veterinarian

Published on September 19th, 2017

Hi and thanks for using Petco Pet Education Center, formerly Petcoach.

Oh dear. I'm afraid Amber needs to see a vet right away. The tissue you are describing as chunks is likely blood or GI cells that have sloughed off from constant irritation.

Amber could have serious pancreatitis, a foreign body, etc. With her age I would also be rather concerned about liver and/or kidney disease.

I would get her to the vet asap to avoid further complications. She will likely need iv fluids and injections for nausea/vomiting and antibiotics. Your vet will likely want to do blood work and x rays to sort through the potential problems I have listed. Something like this is potentially life threatening.
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