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My dog has bloody poop, won't eat, and is lethargic. What should I do?

Updated On September 23rd, 2025

Pet's info: Dog | Toy Poodle | Female | spayed | 11 years and 6 months old | 8 lbs

My dog just started to poop small clots of blood. Looks dark but when pressed its red or maroon. She doesnt want to eat. Sometimes lethargic but sometimes active. She’s been on a new limited ingredient food for a month now and no issues until yesterday. What should i do?

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on December 6th, 2017

Thanks for using Petco Pet Education Center, formerly Petcoach! Even though this could be due to her diet, the fact that she has been on it for over a month, makes it less likely. This can be due to conditions such as colitis, gastroenteritis, dietary indiscretion, intestinal parasites, among other possibilities. I recommend that you have Maggie evaluated by your veterinarian soon today or tomorrow for further assessment and treatment. They would be able to check for these possibilities and at the very least start her on medications which would be based on findings. Likely diagnostics include a fecal examination and abdominal imaging. Good luck and have a great day!

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