| Histamine receptor H1 antagonist |
| Ketanserin |
| Ketanserin (USAN/INN) |
| Ketanserin tartrate |
| Thonzylamine |
| Thonzylamine (INN) |
| Thonzylamine hydrochloride (JAN/USAN) |
| Mepyramine |
| Mepyramine (INN) |
| Pyrilamine maleate (USP) |
| Mepyramine theophyllineacetate |
| Tripelennamine |
| Tripelennamine (INN) |
| Tripelennamine hydrochloride (USP) |
| Tripelennamine citrate |
| Chloropyramine |
| Chloropyramine (INN) |
| Chloropyramine hydrochloride |
| Promethazine |
| Promethazine (JAN/INN) |
| Promethazine hydrochloride (JP18/USP) <JP/US> |
| Promethazine teoclate (JAN/INN) |
| Promethazine methylenedisalicylate (JAN) <JP> |
| Promethazine maleate |
| Promethazine hibenzate <JP> |
| Dimetindene |
| Dimetindene (INN) |
| Dimethindene maleate (USAN); Dimetindene maleate (JAN) |
| Clemastine |
| Clemastine (USAN) |
| Clemastine fumarate (JP18/USP) <JP/US> |
| Bamipine |
| Bamipine (INN) |
| Bamipine dihydrochloride |
| Bamipine lactate |
| Pheniramine |
| Pheniramine (INN) |
| Pheniramine maleate (JAN/USP) |
| Isothipendyl |
| Isothipendyl (INN) |
| Isothipendyl hydrochloride (JAN) |
| Diphenhydramine |
| Diphenhydramine (JP18/INN) <JP> |
| Diphenhydramine hydrochloride (JP18/USP) <JP/US> |
| Diphenhydramine salicylate (JAN) |
| Diphenhydramine tannate (JP18) |
| Diphenhydramine laurylsulfate (JAN) |
| Diphenhydramine citrate (USP) |
| Dimenhydrinate (JP18/USP/INN) <JP/US> |
| Chlorphenoxamine |
| Chlorphenoxamine (INN) |
| Chlorphenoxamine hydrochloride |
| Levocabastine |
| Levocabastine (INN) |
| Levocabastine hydrochloride (JAN/USP) <JP> |
| Azelastine |
| Azelastine (INN) |
| Azelastine hydrochloride (JP18/USP) <JP/US> |
| Antazoline |
| Antazoline (INN) |
| Antazoline phosphate (USP) |
| Antazoline hydrochloride |
| Olopatadine |
| Olopatadine (INN) |
| Olopatadine hydrochloride (JP18/USP) <JP/US> |
| Bromodiphenhydramine hydrochloride (USP) |
| Diphenylpyraline |
| Diphenylpyraline (INN) |
| Diphenylpyraline hydrochloride (JAN) |
| Diphenylpyraline teoclate (JAN) |
| Carbinoxamine |
| Carbinoxamine (INN) |
| Carbinoxamine maleate (JAN/USP) <US> |
| Carbinoxamine diphenyldisulfonate (JAN) |
| Doxylamine |
| Doxylamine (INN) |
| Doxylamine succinate (USP) |
| Brompheniramine |
| Brompheniramine (INN) |
| Brompheniramine maleate (USP) |
| Dexchlorpheniramine |
| Dexchlorpheniramine (INN) |
| Dexchlorpheniramine maleate (USP); d-Chlorpheniramine maleate (JP18) <JP/US> |
| Chlorphenamine |
| Chlorphenamine (INN) |
| Chlorpheniramine maleate (JP18/USP) <JP> |
| Chlorpheniramine polistirex (USAN) |
| Dexbrompheniramine maleate (USP) |
| Alimemazine |
| Alimemazine (INN); Trimeprazine (BAN) |
| Trimeprazine tartrate (USP); Alimemazine tartrate (JP18) <JP> |
| Mequitazine (JP18/INN) <JP> |
| Buclizine |
| Buclizine (INN) |
| Buclizine hydrochloride (USAN) |
| Cyclizine |
| Cyclizine (INN) |
| Cyclizine lactate (BAN) |
| Cyclizine hydrochloride (USP) |
| Meclozine |
| Meclozine (BAN) |
| Meclizine hydrochloride (JAN/USP) <US> |
| Oxatomide (JAN/USAN/INN) <JP> |
| Cetirizine |
| Cetirizine (INN) |
| Cetirizine hydrochloride (JP18/USP) <JP/US> |
| Levocetirizine |
| Levocetirizine (USAN/INN) |
| Levocetirizine dihydrochloride (USP); Levocetirizine hydrochloride (JAN) <JP/US> |
| Cyproheptadine |
| Cyproheptadine (INN) |
| Cyproheptadine hydrochloride (JP18/USP) <JP/US> |
| Phenindamine |
| Phenindamine (INN) |
| Phenindamine tartrate (USAN) |
| Triprolidine |
| Triprolidine (INN) |
| Triprolidine hydrochloride (USP); Triprolidine hydrochloride hydrate (JAN) |
| Azatadine |
| Azatadine (INN) |
| Azatadine maleate (USP) |
| Astemizole (JAN/USP/INN) |
| Terfenadine (JAN/USAN/INN) |
| Loratadine (JAN/USP/INN) <JP> |
| Mebhydrolin |
| Mebhydrolin (INN) |
| Mebhydrolin napadisilate (JAN) |
| Deptropine |
| Deptropine (INN) |
| Deptropine citrate |
| Ketotifen |
| Ketotifen (INN) |
| Ketotifen fumarate (JP18/USAN) <JP> |
| Acrivastine (USAN/INN) |
| Ebastine (JP18/USAN/INN) <JP> |
| Pimethixene (INN) |
| Epinastine |
| Epinastine (INN) |
| Epinastine hydrochloride (JAN) <JP/US> |
| Mizolastine (JAN/INN) |
| Fexofenadine |
| Fexofenadine (INN) |
| Fexofenadine hydrochloride (JP18/USP) <JP/US> |
| Desloratadine (JAN/USP/INN) <JP/US> |
| Rupatadine |
| Rupatadine (INN) |
| Rupatadine fumarate (JAN) <JP> |
| Bilastine (JAN/INN) <JP> |
| Emedastine |
| Emedastine (INN) |
| Emedastine difumarate (JP18/USP) <JP> |
| Alcaftadine (JAN/USAN/INN) <US> |
| Dimetotiazine |
| Dimetotiazine (INN) |
| Fonazine mesylate (USAN); Dimetotiazine mesilate (JAN) <JP> |
| Chlorpromazine |
| Chlorpromazine (USP/INN) |
| Chlorpromazine hydrochloride (JP18/USP) <JP/US> |
| Chlorpromazine hibenzate (JAN) |
| Chlorpromazine phenolphthalinate (JAN) <JP> |
| Chlorpromazine tannate (JAN) |
| Olanzapine |
| Olanzapine (JAN/USP/INN) <JP/US> |
| Olanzapine pamoate (USAN) <US> |
| Quetiapine |
| Quetiapine (INN) |
| Quetiapine fumarate (JP18/USP) <JP/US> |
| Hydroxyzine |
| Hydroxyzine (INN) |
| Hydroxyzine hydrochloride (JP18/USP) <JP/US> |
| Hydroxyzine pamoate (JP18/USP) <JP/US> |
| Opipramol |
| Opipramol (INN) |
| Opipramol hydrochloride (JAN/USAN) |
| Cinnarizine |
| Cinnarizine (JAN/USAN/INN) |
| Cinnarizine dihydrochloride |
| Bepotastine |
| Bepotastine (USAN/INN) |
| Bepotastine besylate (USAN); Bepotastine besilate (JP18) <JP/US> |
| Homochlorcyclizine |
| Homochlorcyclizine (INN) |
| Homochlorcyclizine hydrochloride (JP18) |
| Icotidine (USAN) |
| Noberastine (USAN/INN) |
| Rocastine hydrochloride (USAN) |
| Tecastemizole (USAN/INN) |
| Temelastine (USAN/INN) |
| Dioxopromethazine hydrochloride |
| Histamine receptor H3 antagonist |
| Betahistine |
| Betahistine (INN) |
| Betahistine mesilate (JP18) <JP> |
| Betahistine hydrochloride (USP) |
| Cipralisant maleate (USAN) |
