How much Zyrtec can I give my dog? Zyrtec Dosage and Instructions. It is recommended to give your dog 0.5mg per pound of body weight. You can safely give Zyrtec to your dog up to 20 mg per day. It should only be administered orally.
What kind of Zyrtec is safe for dogs? Cetirizine, commonly known by the brand name Zyrtec®, is a type of anti-histamine commonly recommended for dogs with itching. It can also be used in cats.
Does Zyrtec work for dog allergies? Pet allergy relief
When you can’t live without your pet, a medicine for dog and cat allergies can help control your pet allergy symptoms. ZYRTEC® starts working at hour 1 and stays strong day after day, so you can reduce your cat and dog allergy symptoms.
Does Zyrtec help dogs with 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.