NYSTATIN AND TRIAMCINOLONE ACETONIDE

Nystatin and Triamcinolone Acetonide Ointment, 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 with a cereallike odor, slightly soluble in methanol, and freely soluble in dimethylformamide, dimethyl sulfoxide, and practically insoluble in n -propyl alcohol, n -bulyl alcohol,water, alcohol, chloroform, ether. Structural formula: Triamcinolone acetonide, USP is designated chemically as 9-fluoro-11β,16a, 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, is practically insoluble in water, and sparingly soluble in dehydrated alcohol, chloroform, and slightly soluble in methanol. Structural formula: Each gram of Nystatin and Triamcinolone Acetonide Ointment, USP provides 100,000 USP Nystatin units and 1 mg Triamcinolone Acetonide in an ointment base of mineral oil and white petrolatum.

Nystatin and Triamcinolone Acetonide Ointment, USP is indicated for the treatment of cutaneous candidiasis; it has been demonstrated that the nystatin-steroid combination provides greater benefit than the nystatin component alone during the first few days of treatment.

A thin film of Nystatin and Triamcinolone Acetonide Ointment, USP is usually applied to the affected areas twice daily in the morning and evening. The preparation should be discontinued if symptoms persist after 25 days of therapy (see PRECAUTIONS, Laboratory Tests ). Nystatin and Triamcinolone Acetonide Ointment, USP should not be used with occlusive dressings.

These preparations are contraindicated in those patients with a history of hypersensitivity to any of their components.

A single case (approximately one percent of patients studied) of acneiform eruption occurred with use of combined nystatin and triamcinolone acetonide in clinical studies. Nystatin is virtually nontoxic and non sensitizing and is well tolerated by all age groups, even during prolonged use. Rarely, irritation may occur. The following local adverse reactions are reported infrequently with topical corticosteroids (reactions are listed in an approximate decreasing order of occurrence): burning, itching, irritation, dryness, folliculitis, hypertrichosis, acneiform eruptions, hypopigmentation, perioral dermatitis, allergic contact dermatitis, maceration of the skin, perioral secondary infection, skin atrophy, striae and miliaria.