Which information is NOT required from prescribers on a prescription?

The correct answer is that the patient's medication history is not required from prescribers on a prescription.

When a prescriber writes a prescription, certain key details are mandated by law and professional standards to ensure clarity and safety in medication dispensing. These details include the full name of the prescriber, their signature and the date the prescription was written, as well as a DEA number if the prescription is for a controlled substance, such as narcotics.

However, the patient's medication history is typically not included on the prescription itself. Instead, the medication history is often collected and documented by the pharmacist or healthcare provider separately, during patient intake or consultation, to ensure appropriate medication management and to prevent drug interactions. Including a comprehensive medication history on the prescription would be impractical and could lead to potential confidentiality concerns. Therefore, it is not a requirement for prescribers.