Will Zyrtec Make My Dog Stop Itching?

Will Zyrtec Make My Dog Stop Itching? Cetirizine (brand name Zyrtec®, Reactine®) is an antihistamine used to treat pruritus (itching) associated with atopic dermatitis, urticaria (hives), and insect-bite reactions in cats and dogs. Its use is in cats and dogs is ‘off label’ or ‘extra label’. How much Zyrtec can I give my dog for