Petco Text Logo
Petco Pet Logo

My elderly dog is vomiting dark and has diarrhea for two weeks?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | spayed | 12 years and 5 months old | 58 lbs

My dog vomitted a dark substance with her veal and rice meal. This is the second time today, seems her food is not being digested. She has also had diahhrea for 2 weeks now. She had nothing but water and the food. She is an elderly pit-mix who takes carprofren for arthritis and trazadone for separation anxiety. Thanks for any insight.

This question includes photos that may contain sensitive content. Click to view.

View more to consider that the photos may include sensitive content.

1 Answer

Most Helpful Answer

Image profile

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on September 8th, 2019

I'm concerned about the dark color of Kia's vomit, it could be blood. Carprofen can cause GI bleeding as a side effect, and if there is blood in her vomit, that could be the cause. It's also very concerning she has had diarrhea for two weeks. She needs to see a vet immediately, please take her into one immediately.

Vote icon

1Pet Parents found this answer helpful

image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored