SPL Set ID: 88b7432b-f5a7-40f3-9b0c-e7b125f5103c
1 drug(s) with this SPL Set ID
The active ingredient in ondansetron tablets is ondansetron hydrochloride as the dihydrate, the racemic form of ondansetron and a selective blocking agent of the serotonin 5-HT 3 receptor type. Chemically it is (±) 1, 2, 3, 9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one, monohydrochloride, dihydrate. It has the following structural formula: The empirical formula is C18H19N3O•HCl•2H2O, representing a molecular weight of 365.9 g/mol. Ondansetron hydrochloride dihydrate is a white to off-white powder that is soluble in water and normal saline. Each 4-mg ondansetron tablet for oral administration contains ondansetron hydrochloride dihydrate equivalent to 4 mg of ondansetron. Each 8-mg ondansetron tablet for oral administration contains ondansetron hydrochloride dihydrate equivalent to 8 mg of ondansetron. Each tablet also contains the inactive ingredients lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, polyvinyl alcohol, polyethylene glycol, talc, titanium dioxide, and lecithin. image description