The most common option is to sneak it into their food. Can You Give A Dog Benadryl for Allergies? While Zyrtec can be an ...
DR. BOB: Most likely, the allergy pills you are referring to are non-sedating antihistamines such as Zyrtec, Allegra, or Claritin. Sedating antihistamines are medicines such as Benadryl.