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Updated on September 23, 2025
Pet's info: Cat | American Shorthair | Female | spayed | 7 years and 2 months old | 17 lbs
My 7 year old cat was diagnosed with HCM (in addition to heart disease and other related issues) yesterday, after sudden ATE - she lost use of both her back legs. Today she was discharged, and we have her home attempting recovery with meds. She hasn't eaten or urinated for over 36 hours, and is yowling loudly in pain when she attempts to move. She has been able to roll herself over, and seems to want to use her back legs, but is making the most painful yelps. Is there anything I can do for her?
2 Answers

Answered By Joy Fuhrman, DVM, MBA, CPA
Veterinarian
Published on March 28, 2017
Answered By Christie Long, DVM
Veterinarian, Certified Veterinary Acupuncturist
I am very concerned that Louise has thrown a clot from her heart, which is a pretty common follow on problem to HCM. It it exceptionally painful and she needs emergency care immediately. Sometimes blood thinners can be used to try to break up the clot, but she needs to be hospitalized to try to treat her pain during this process. Please take her in immediately.
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