UNSPSCFamily
51310000Antihistamines or H1 blockers
Sub-categories (27)
51311600Antihistamine or H1 blocker 4-quinolones and acetates and aminopyridines and azepines51311700Antihistamine or H1 blocker benzhydryl compounds51311800Antihistamine or H1 blocker benzimidazoles51311900Antihistamine or H1 blocker benzopyrans51312000Antihistamine or H1 blocker butyrophenones51312100Antihistamine or H1 blocker cyclic s-oxides and dibenzazepines and dibenzoxepins and glyoxylates51312200Antihistamine or H1 blocker dibenzocycloheptenes51312300Antihistamine or H1 blocker ethylamines51312400Antihistamine or H1 blocker ethylenediamines51312500Antihistamine or H1 blocker guanidines and indenes and lactams and peptides and quinazolines51312600Antihistamine or H1 blocker imidazoles51312700Antihistamine or H1 blocker pyrrolidines51312800Antihistamine or H1 blocker phenothiazines51312900Antihistamine or H1 blocker phenanthrolines51313000Antihistamine or H1 blocker phthalazines51313100Antihistamine or H1 blocker piperazines51313200Antihistamine or H1 blocker piperidines51313300Antihistamine or H1 blocker propylamines51313400Antihistamine or H1 blocker pyridines51313500"Antihistamine or H1 blockers51313600Antihistamine or H1 blocker quinolines51313700Antihistamine or H1 blocker quinolizines and sulfonamides and thiazines and thiazoles and thiophenes51313800Antihistamine or H1 blocker terfenadine/analogs and derivatives51313900Antihistamine or H1 blocker tetrazoles51314100Antihistamine or H1 blocker pyrimidines51314200Antihistamine or H1 blocker tropanes51314300"Combination antihistamines