What is the USP default BUD for a nonaqueous nonsterile preparation at controlled room temperature?
QUESTION
What is the primary purpose of a levigating agent in compounding a suspension or ointment?
QUESTION
What is the USP definition of controlled room temperature for storage labeling purposes?
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ANSWER
20–25∘C with permitted excursions per USP. USP defines this range to maintain stability, allowing brief excursions to 15–30°C for real-world conditions.