Nystatin Ointment
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
Nystatin Ointment contains not less than 90.0 percent and not more than 130.0 percent of the labeled amount of USP Nystatin Units.
Packaging and storage-Preserve in well-closed containers, preferably at controlled room temperature.
USP Reference standards 〈11〉-
USP Nystatin RS
Minimum fill 〈755〉: meets the requirements.
Water Determination, Method I 〈921〉: not more than 0.5%, 20 mL of a mixture of toluene and methanol (7:3) being used in place of methanol in the titration vessel.
Assay-Proceed with Ointment as directed in the Assay under Nystatin Cream.
