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My dog ate furosemide. Is he okay after taking other prescribed meds?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | 10 years and 4 months old | 11 lbs

My 11 lb dog is on 1/4 tab prednisone ev 48 hrs for bronchitis plus clavamox. He got ahold 9f a 12.5 furo tab..will he be ok

2 Answers

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on December 9th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! If you meant a 12.5mg tablet of furosemide, he should be ok as long as he does not have underlying kidney disease. He will be more thirsty and will urinate more for the next 24-48 hours. Best of luck!

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    Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

    Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner

    Published on February 21st, 2018

    Since furosemide causes rapid fluid loss and can result in rapid dehydration, it can affect the kidneys immediately and the effects can also be long lasting. I would definitely recommend discussing this with your vet to determine what can be done to help Memi be more comfortable while you are waiting for her new medication to arrive. Good luck!

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