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METHOD OF PREPARATION
1. Calculate the required quantity of each ingrethent for the total amount to be prepared.
2. Weigh and/or measure each ingrethent accurately.
3. Mix the nystatin cream and the hydrocortisone cream (if used) and incorporate the nystatin topical powder. Mix thoroughly.
4. Incorporate the zinc oxide ointment, A & D ointment, and dibucaine ointment and mix well.
5. Incorporate the benzoin tincture and mix well.
6. Package and label.
PACKAGING
Package in tight, light-resistant containers.1
LABELING
Keep our of reach of children. Use only as directed.
STABILITY
A beyond-use date of 30 days can be used for this preparation.1
USE
Riley Butt Cream is used in the treatment of diaper rash and similar skin conditions.
QUALITT CONTROL
Quality-control assessment can include theoretical weight compared to actual weight, pi I, specific gravity, active drug assay, color, texturesurface, texture-spatula spread, appearance, feel, rheological properties, and physical observations.2
DISCUSSION
Nystatin (C^sub 47^H^sub 75^NO^sub 17^, MW 926.09) is a substance produced by the growth of Streptomyecs uoursei ( Brown ) ( Fain. Streptomycetaceae). It contains not le.ss than 4400 units of nystatin activity per mg of substance....