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My cat takes Benadryl for allergies. Is long-term use safe for my cat?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | neutered | 12 lbs

After a couple years of trying everything for my cats allergies a friend reccomended that I give him benadryl for them as it worked for her cat. I'm giving him 6mg once in the morning and it is working great he is not drowsy and not scratching or itching. my question is this safe long term?

1 Answer

Most Helpful Answer

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Answered By Lauren Jones VMD

Veterinarian

Published on May 11th, 2017

Yes, Benadryl is quite safe for long term use, but often causes excitement in cats. Always talk to your vet before giving Zach any medications to assure that the medication is necessary, safe and dosed appropriately.

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