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My Dachshund has diarrhea and isn't eating. Should I give her human doxycycline?

Updated On September 23rd, 2025

Pet's info: Dog | Dachshund | Female | spayed | 10 years and 3 months old | 22 lbs

My female Dachshund has been nauseous for one day That was 3 days ago. Loose stools and in a limited amount----not like usual for her. Eating very little and only a few bites ever 3 or 4 hours. She is 22 lbs and about 4 lbs overweight. 11 yrs old May I give her some anti-biotics I have for myself in smaller amount. Namely: DOXYCYCLINE HYCL 100 mg?

2 Answers

Most Helpful Answer

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Answered By Megan, DVM, CVA

Veterinarian

Published on January 16th, 2018

Poor Hildegarde! I would start by not feeding her for 12 hours and then reintroduce small amounts of plain boiled boneless, skinless chicken and white rice to see if this settles her tummy. You can also get her some probiotics to help firm her stool. I would not give her any doxycycline. This is not a typical antibiotic used for GI upset and it usually will cause more GI upset. If she continues to have diarrhea, I would have you vet look at her. I worry she is going to become dehydrated since she is so small. Your vet will be able to determine the cause and get her on the proper antibiotics. I hope this helps!

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    Answered By Amber W

    Veterinarian, Certified Veterinary Acupuncturist

    Published on

    No, I would not recommend giving Hildegarde the doxycycline that you have left over. Doxycycline can cause stomach upset so it would not be a good idea as it is likely to make her GI signs worse. Doxycycline is also unlikely to help with any causes of stomach upset. It would be best to schedule a visit for Hildegarde with your veterinarian so that the appropriate medication can be prescribed. Until you can get her to the veterinarian you can try offering a bland diet of boiled chicken and sweet potato or rice, but I encourage you to see a veterinarian soon. Thanks for using Petco Pet Education Center, formerly Petcoach and I hope Hildegarde gets the care she needs and is feeling better soon!

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