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