Which item is not required by the basic DDA rule for OTC medications?

• A. PMOF
• B. A pharmacy label
• C. The medication's lot number
• D. The expiration date

Answer: (C)

The basic rule focuses on safe, accurate identification and use of OTC medications at the point of care. You need a clear pharmacy label so everyone knows exactly what the medication is, a way to document the order (PMOF) to track who requested and administered it, and a valid expiration date to ensure the product is still potent and safe to use. The lot number, while useful for recalls and inventory tracing, isn’t required for the basic rule because it doesn’t affect the immediate safety or proper administration to a patient. It’s primarily for manufacturer tracking and recall purposes, not for daily dispensing and usage—so it’s not considered a must-have element in the basic DDA rule.