Which information must be included on a controlled substance prescription label?

The inclusion of specific details on a controlled substance prescription label is crucial for ensuring safety, compliance with regulations, and facilitating the proper use of the medication. The correct answer contains essential elements that must be present on the label, including the patient's name, the pharmacy's name and address, the date the medication was dispensed, and the directions for use (label directions).

These components are significant because they help to identify the patient receiving the medication and provide clear instructions on how to take it. The patient's name ensures that the medication is dispensed to the correct individual, minimizing the risk of medication errors. The pharmacy's information is necessary for accountability and for any future inquiries regarding the prescription. The date of dispensing helps track medication usage and manage refills appropriately. Clear label directions are vital for ensuring that the patient understands how to use the medication properly, which is especially important with controlled substances that may have a high risk of misuse or addiction.

The other choices lack critical elements required for a prescription label. For example, the prescriber's social security number is unnecessary and not typically included for privacy and security reasons. The drug's chemical formula may be useful in certain contexts but is not relevant to the patient’s understanding or usage of the medication and is not a requirement