My dog is throwing up after antibiotics for bloody diarrhea, why?
Updated On September 23rd, 2025
Pet's info: Dog | German Shepherd | Female | spayed | 8 years and 11 months old | 61 lbs
My dog had diarrhea with a bloody mucus so I took her to the vet. All blood work including kidney and liver were perfect. Vet put her on med for ulcer and an antibiotic. Ever since that night, she vomits multiple times. There was no vomiting prior to the visit
3 Answers
Most Helpful Answer
Published on November 17th, 2017
It is possible that she could be having a sensitivity to the antibiotic or this could be another complication to her upset tummy. I would make sure you are feeding her a complete meal then wait 15-20 minutes befor giving her the antibiotics. Also you may want to try feeding her only plain chicken (no bones) and rice as This is bland and easy on the tummy for recovery. If This doesn’t help then I would talk to your vet about a recheck. Your vet may want to give her an anti-nausea medicine, change her antibiotics or take X-rays if indicated. I hope this helps!
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on
Poor Gracee! It's possible that the medication may be upsetting her stomach, so I would recommend calling your veterinarian to let them know this is going on. He/she may want to prescribe a different antibiotic for her, or may recommend having her come back in for some further testing to help determine what is causing the vomiting.
1Pet Parents found this answer helpful
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Published on August 14th, 2017
Poor Lexi! Given that it started on Sunday when she had the antibiotic, it could be from that as some dogs do develop gastrointestinal side effects (decreased appetite, vomiting, diarrhea, etc) to antibiotics. Check with your veterinarian how important is her antibiotic at this stage in the treatment protocol and if stopping it based on how severe her kennel cough was, is even an option. Otherwise, have her examine by your veterinarian to ensure nothing else more serious is going. Keeping my fingers crossed for your girl'
1Pet Parents found this answer helpful
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