Can a Zyrtec pill harm your puppy?

Yes, Zyrtec (cetirizine) can potentially harm your puppy, as it is not specifically formulated for dogs. While some veterinarians may prescribe it for certain Allergies in dogs, the dosage and safety can vary based on the dog's size, breed, and health status. Always consult your veterinarian before giving any human medication to your pet to avoid adverse effects.