How much Zyrtec can I give my dog? Zyrtec Dosing & Guidelines
Only use plain Zyrtec (cetirizine) and avoid use of Zyrtec-D due to potentially serious side effects. The dose for dogs is approximately 0.5 mg per pound, or 0.5 mg/lb, 1-2 times per day, not to exceed 20 mg per dose.
Is Benadryl or Zyrtec better for dogs? Benadryl (diphenhydramine) is the most popular antihistamine for humans and can be effective for dogs as well. Just be aware that Benadryl has sedative properties, so your dog could get very drowsy. Other safe antihistamines for dogs include Claritin (loratadine) and Zyrtec (cetirizine).
Is Zyrtec good for dog allergies? 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.
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.