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My cat took 10mg famotidine. Is this dose safe? Any side effects?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Female | spayed | 7.5 lbs

My vet recommended that my cat take famotidine. I thought he said to give her 10mg, but now I’m reading that she should only have 2.5-5mg. Since I have her 10mg, do I need to worry about her having serious side effects or being poisoned by it?

1 Answer

Most Helpful Answer

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Answered By Jenny, DVM

Veterinarian

Published on March 6th, 2018

That does seem very high for her weight. A single dose at 10 mg is unlikely to cause any side effects. i would contact your vet tomorrow to verify the proper dose before re administering anything though

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