Common antihistamines include:
* diphenhydramine (Benadryl)
* brompheniramine (Dimetapp, Bromfed), chorpheniramine (Chor-trimeton, Pediacare, Naldecon, Rynatan, Triaminic), triprolidine (Actifed) , pyrilamine, clemastine (Tavist), and carbinoxamine (Rondec). These are usually a part of multisymptom cold relievers.
* cyproheptadine (Periactin). A long acting prescription antihistamine, sometimes used for prophylaxis for frequent migraines and recurrent abdominal pain.
* hydroxyzine (Atarax or Vistaril). A long acting prescription antihistamine.
* loratadine (Claritin), desloratadine (Clarinex), cetirizine (Zyrtec) and fexofenadine (Allegra) are newer, second generation antihistamines that are available by prescription to treat allergies and are usually less sedating than older medications.