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My cat has hyperthyroidism & heart issues. Are herbals enough?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 16 years and 4 months old | 7 lbs

Hello, My cat was diagnosed with Hyperthyroidism this week. They also removed 300ml of fluid from around her lungs and let me know that her heart was enlarged. They gave me Furoside and want to prescribe hyperthyroid medication next. A friend recommend that I try Thyroid Support Gold. It seems like more of an herbal medication, but I was wondering if you think that it will be enough for a cat with her severity of the condition and with the heart medication? Any advice/insight would help!

1 Answer

Most Helpful Answer

Andrea M. Brodie, DVM

Answered By Andrea M. Brodie, DVM

Veterinarian

Published on December 13th, 2018

The heart condition is likely a sequel to the hyperthyroidism. Hyperthyroidism speeds up the heart rate, and that increases the thickness of the heart muscle which will enlarge the heart. Please do not experiment with herbal medicines. Hyperthyroidism, if not controlled will cause the heart condition to worsen, so it is absolutely necessary to use medications that will work such as thyreostatic medication (the thyroid medications your veterinarian prescribed). The Furosemide will help your cat get rid of the fluid in her lungs. Please listen to your veterinarian. Your kitty can have a good quality of life with the correct medications. This is one case where herbals will not help.
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