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Antifungal.
Nystatin is an antifungal antibiotic which is both fungistatic and fungicidal in vitro against a wide variety of yeast and yeast-like fungi. It probably acts by binding to sterols in the cell membrane of the fungus with a resultant change in membrane permeability allowing leakage of intracellular components. Nystatin is a polyene antibiotic of undetermined structural formula that is obtained from Streptomyces noursei and is the first well tolerated antifungal antibiotic of dependable efficacy for the treatment of cutaneous, oral and intestinal infections caused by Candida (Monilia) albicans and other Candida sp. It exhibits no appreciable activity against bacteria.
Nystatin provides therapy for all localized forms of candidiasis. Symptomatic relief is rapid, often occurring within 24-72 hrs after the initiation of treatment.
Cure is effected both clinically and mycologically in most cases of localized candidiasis.
Zinc oxide is applied externally as a mild astringent for the skin, as a soothing and protective application in eczema, and as a protective to slight excoriations.
