Description
Nystatin and triamcinolone acetonide cream, USP for dermatologic use contain the antifungal agent nystatin and the synthetic corticosteroid triamcinolone acetonide.
Nystatin, USP is a polyene antimycotic obtained from Streptomyces noursei. It is a yellow to light tan powder, Freely soluble in dimethylformamide and in dimethyl sulfoxide; very slightly soluble in methanol; practically insoluble or insoluble in water, in alcohol, in n-propyl alcohol, in n-butyl alcohol, in chloroform and in ether.
Structural formula:
C
47H
75NO
17 MW= 926.13
Triamcinolone acetonide, USP is designated chemically as 9-fluoro-11β, 16α, 17, 21- tetrahydroxypregna-1, 4-diene-3, 20-dione cyclic 16, 17-acetal with acetone. The white to cream crystalline powder has a slight odor, Sparingly soluble in dehydrated alcohol, in chloroform and in methanol, Practically insoluble in water.
Structural formula:
C
24H
31FO
6 MW= 434.50
Nystatin and triamcinolone acetonide cream, USP is a soft, smooth, light yellow to buff colored cream. Each gram provides 100,000 USP Nystatin units and 1 mg Triamcinolone Acetonide USP in a cream base with aluminium hydroxide, ceteareth 15, glyceryl monostearate, methyl paraben, non-crystallizing sorbitol solution, polysorbate 60, polyethylene glycol 400 monostearate, propylene glycol, propyl paraben, simethicone emulsion, sorbic acid, titanium dioxide white petrolatum, purified water.