10 lb dachshund throwing up brown and has blood in loose stool. Pet's info: Dog | Dachshund miniature | Female | spayed | 11 years and 7 months old | 10.4 lbs

Vomiting and diarrhea together is commonly referred to as gastroenteritis. There can be several causes for gastroenteritis such as metabolic issues, pancreatitis, dietary indiscretion, intestinal parasites and a foreign body/blockage. Because you are seeing blood in Bella's stool and possibly in the vomitus (digested blood can appear brown) I would recommend taking your dog to the vet to be evaluated. Your vet may recommend blood work and X-rays to figure out what exactly is going on. Your dog may need fluid if dehydrated, nausea medication and antibiotics. I hope this helps. Thanks for using Petco Pet Education Center, formerly Petcoach. Best of luck.

Poor Astella! This could be due to several different things like parasites, giardia, a toxin, a foreign object, an complete or partial obstruction, an bacterial or viral infection and much much more. You can try offering her some plain boiled boneless, skinless chicken breast and white rice to see if this settles her tummy. If she doesn't eat, continues to vomit, or continues to have diarrhea or blood in her stool, I would strongly recommend to have your vet take a look at her. Your vet will be able to determine the cause and get her started on the proper meds to help her feel better. I hope this helps!

It sounds as Mocha is suffering from a gastrointestinal condition, possibly an infection. it could also be due to ingestion of a foreign body material. i would recommend taking her to the vet the first chance you get, she will need to be checked first, if the vet thinks it's a simple gastrointestinal infection she will need an anti vomiting injection, antibiotics and a special food for a few days in order to get better. if the vet thinks it is more serious she will need a blood test and possibly an ultrasound in order to find out what is wrong.

My dog is throwing up brown and has bloody diarrhea. What should I do?

Updated On September 23rd, 2025

10 lb dachshund throwing up brown and has blood in loose stool

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Answered By Amber Da Silva, DVM 187

Veterinarian

Published on August 30th, 2017

I'm sorry that Bella is not feeling well. If this has been going on for 12-24 hours and she is also lethargic or having a poor appetite, I would recommend taking her to a veterinarian today. If this has just started and she seems normal and happy otherwise, you could try fasting her for 12-24 hours. If she doesn't continue to vomit or have diarrhea, introduce a bland diet of plain boiled chicken and white rice. If she keeps that down, then after a day or so you can start mixing in her normal kibble. If her symptoms continue despite that, I would recommend taking her to a veterinarian. They may recommend blood work and x-rays of her abdomen since there are many different causes of her symptoms. It could be inflammation in her GI tract from eating something new or different, pancreatitis, or a blockage in her stomach or intestines. I hope this helps and that Bella starts feeling better soon!

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My dog is throwing up brown and has bloody diarrhea. What should I do?

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