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My dog takes fluoxetine. Can I give him Benadryl for allergies?

Updated on September 23rd, 2025

Pet's info: Dog | Shih Tzu | Male | neutered | 10 years and 8 months old | 14 lbs

Can I give my dog Benadryl if he takes fluoxetine?

1 Answer

Most Helpful Answer

Angel Alvarado, LVT

Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on January 8th, 2020

It is not recommended since the combination can increase side effects such as lethargy/drowsiness or confusion. In s senior pet, this could be risky. Contact your veterinarian in the morning to discuss your concern further as well as options. If Winston is having a severe allergic reaction, consider a visit to the nearest veterinary ER.
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