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My 75lb dog is on Prozac. Is 60mg twice daily too high a dose?

Updated On September 23rd, 2025

Pet's info: Dog | German Shepherd | Male | neutered | 75 lbs

My dog just got prescribed Prosac and I feel the dosage is too high. What is the recommended dosage? He is prescribed 60 mg twice a day and he is only 75 pounds

1 Answer

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on May 22nd, 2018

Hi there. The published dosage range for fluoxetine (Prozac) in dogs is 0.5 - 2 mg/kg once daily. 60 mg is within this range, but this medication is normally given only once daily. Your veterinarian may have had a specific reason for choosing to prescribe it twice daily in Saber's case, so if you're concerned, I would recommend calling to discuss your questions with your vet. He/she should be able to explain why they chose this dosage for Saber, or may opt to reduce it if it was an oversight :)

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