Description
Nystatin and Triamcinolone Acetonide Cream USP for dermatologic use contain the antifungal agent nystatin and the synthetic corticosteroid triamcinolone acetonide.
Nystatin is a polyene antimycotic obtained from Streptomyces noursei. It is a yellow to light tan powder with a cereal like odor, practically insoluble in water, and practically insoluble in alcohol. Structural formula:
C47H75NO17 MW = 926.23
Triamcinolone acetonide is designated chemically as 9-fluoro-11β, 16 α, 17, 21-tetrahydroxypregna-1, 4-diene-3, 20-dione cyclic 16, 17-acetal with acetone. The white to cream colored crystalline powder has a slight odor, is practically insoluble in water, and sparingly soluble in dehydrated alcohol. Structural formula:
C24H31FO6 MW = 434.50
Nystatin and Triamcinolone Acetonide Cream USP is a soft, smooth cream having a light yellow to buff color. Each gram provides 100,000 USP Nystatin units and 1 mg Triamcinolone Acetonide USP in an aqueous perfumed vanishing cream base with cetearyl alcohol and ceteareth-20, dried aluminum hydroxide gel, methylparaben, mono- and di-glycerides, noncrystallizing sorbitol solution, polyoxyl (8) stearate, polysorbate 60, propylene glycol, propylparaben, simethicone emulsion, sorbic acid, titanium dioxide and white petrolatum.