Some H1 antihistaminic Drugs in Clinical Use 1st Generation Antihistamines: Ethanolamjnes - Carbinoxamine (Clistin), Dimenhydrinate (salt of diphenhydramine)(Dramamine), Diphenhydramine (Benadryl, etc) Piperazjne derivatives - Hydroxyzine (Atarax, etc), Cyclizine (Marezine), Meclizine (Bonine, etc) Alkylamines - Brompheniramine (Dimetane, etc), Chlorpheniramine (Chlor-Trimeton, etc) Phenothiazine derivative - Promethazine (Phenergan, etc) Miscellaneous - Cyproheptadine (Periactin, etc) 2nd Generation Antihistamines: Piperidine - Fexofenadine (Allegra, etc) Miscellaneous - Loratadine (Claritin, etc), desloratadine (Clarinex) Cetirizine (Zyrtec, etc) #antihistamines #classification #Pharmacology #classes #generation #h1
