H1-ANTAGONISTS

(Conventional Antihistaminics)

1. Highly sedative
                Diphenhydramine
                Dimenhydrinate
                Promethazine
                Hydroxyzine

2. Moderately sedative
                Pheniramine
                Cyproheptadine
                Meclozine (Meclizine)
                Buclizine
                Cinnarizine

3. Mildly sedative
               Chlorpheniramine
               Dexchlorpheniramine
               Dimethindine
               Triprolidine
               Mebhydroline
               Cyclizine
               Clemastine

4. Second generation (Nonsedating)
                Terfenadine
                Fexofenadine
                Astemizole
                Loratadine
                Desloratadine
                Cetirizine
                Levocetirizine
                Azelastine
                Mizolastine
                Ebastine
                Rupatadine