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Why does my cat on Tramadol for pain need blood tests every 6 months?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed

My daughter's cat broke her leg when she was a kitten. We inherited her and she is now seven and experiencing pain. My vet wanted to amputate the leg. It was never set properly because my daughter couldn't afford it. I declined and tramadol was prescribed. One eighth of a pill twice a day. Is it necessary to get blood tests every six months to monitor her? What is the side effect they are looking for. I always feel like they are running up the bill.

1 Answer

Most Helpful Answer

Laura Johnson VMD

Answered By Laura Johnson VMD

Veterinarian

Published on August 1st, 2017

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! I am sorry KK is having so much trouble.

Tramadol is usually well tolerated and doesn't cause organ damage (liver or kidney) like other medications can. I can't say I personally require blood work every 6 months to prescribe tramadol but I would ask for every 6 month to 1 year physical exams since tramadol is a controlled drug.

I wish you and KK the best of luck!
Vote Icon1Pet Parents found this answer helpful

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