Correct Dosage Of Zyrtec For Dogs. The safest way to determine the correct amount of Zyrtec to give to your dog is to consult with your vet. Generally, one tablet a day is safe for dogs to take, ...

How Much Benadryl Can I Give My Dog? (Plus Dosage Chart) Published Oct 06, 2023 at 12:48 PM EDT Updated Mar 28, 2024 at 9:38 AM EDT. By . Nick Cesare is a Newsweek writer based in Boise.