My 3-month-old puppy is vomiting and has black poop. What's wrong?
Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed | Female | unspayed | 5 lbs
approx 3 months old, vomiting 10+ times per day, snotty/slimey w/ food vomit, hard black poop,drawed up and skinny. vet treated her for hookworms. she improved 1 day now back at it
3 Answers
Most Helpful Answer
Published on January 5th, 2018
It sounds as Roxy 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.
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Related Answers from Veterinarians
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Published on July 3rd, 2017
Vomiting and diarrhea can be a sign of a number of different diseases in a young dog. Intestinal parasites, partial obstruction from ingesting a foreign object or some infectious diseases could cause these signs. If the vomiting and diarrhea continues she could become dehydrated, and black stool could be a sign of bleeding in the stomach or intestines. I would recommend making an appointment with a veterinarian. You may want to try to collect a stool sample to bring with you so they can look for intestinal parasites - use a clean plastic bag and place in the refrigerator if it is going to be more than an hour or so before you are able to bring the sample to the vet. I hope Rosa is feeling better soon.
1Pet Parents found this answer helpful
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Published on May 31st, 2018
Hi there! Sorry to hear that Blacky is not feeling well. The clinical signs you describe are concerning when they occur in a puppy as they can be seen with serious gastrointestinal infections such as Parvovirus. Other possibilities include intestinal worms and dietary indiscretion, among other possibilities. The sooner these conditions are treated the better the outcome tends to be. For this reason, I recommend that you have Blacky evaluated by your veterinarian to check for these possibilities and to start therapy based on findings. At the very least they can address dehydration if present and start her on anti-nausea medications. Good luck! Keeping my fingers crossed for your girl!
1Pet Parents found this answer helpful
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