alergic to dogs what medicine to take
Treating Dog Allergies. Dog allergies can be treated with standard allergy drugs. Your doctor might recommend: 1  Antihistamines, which block the effects of a chemical that triggers dog allergy symptoms; they're sold over the counter -- like Allegra, Claritin, Benadryl, or Zyrtec -- or by prescription.2  Some antihistamines such as Astelin are available as nasal sprays.our doctor might recommend: 1  Antihistamines, which block the effects of a chemical that triggers dog allergy symptoms; they're sold over the counter -- like Allegra, Claritin, Benadryl, or Zyrtec -- or by prescription.