Question: what are over the counter antihistamines?
Answer: Brompheniramine (Dimetane) Cetirizine (Zyrtec) Chlorpheniramine (Chlor-Trimeton) Clemastine (Tavist) Diphenhydramine (Benadryl) Fexofenadine (Allegra) Loratadine (Alavert, Claritin)