It has been studied for its role in allergic reactions for a long time. Zyrtec is usually well tolerated by dogs and doesn’t ...

Veterinarians say Benadryl (diphenhydramine), Zyrtec (cetirizine) and Claritin (loratadine) can typically be safely administered to dogs to ease symptoms of environmental allergies as well as ...

Xyzal (levocetirizine) and Zyrtec (cetirizine) are over-the-counter (OTC) allergy medications. Learn about their key ...