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)