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How often can I safely give my dog Zyrtec for allergy relief?

Updated On September 23rd, 2025

Pet's info: Dog | Havanese | Male | neutered | 13 lbs

My dog is 13 pounds and I gave my dog Zyrtec 10 mg at 2 am when can I give him the next pill?

1 Answer

Most Helpful Answer

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Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on August 17th, 2019

Hi and thanks for your request. Once daily (once every 24 hours, so every day at 2am) would be correct. The dosage you are giving is on the higher range, make sure you do not exceed 20mg per day. https://www.petcoach.co/canigive/dog/zyrtec/

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