NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is the beyond-use date (BUD) for nonaqueous formulations?

  1. 6 months (180 days) at room temperature

  2. 14 days at controlled cold temperatures

  3. 30 days at room temperature

  4. 1 hour

The correct answer is: 6 months (180 days) at room temperature

For nonaqueous formulations, the beyond-use date (BUD) is typically 6 months (180 days) at room temperature. This longer duration is suitable for formulations that do not contain water, as they are generally less prone to microbial growth compared to aqueous formulations. Options B, C, and D are not applicable for nonaqueous formulations as they represent shorter BUDs for different types of formulations or storage conditions.

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