Which of these is NOT a requirement for an RX label?

The requirement for an RX label typically includes several important pieces of information to ensure safety and proper identification. Among these, the doctor’s detailed credentials are not necessary. RX labels generally need to contain essential details such as the medication’s expiration date to ensure its safety for consumption, the pharmacy's address for identification and accountability purposes, and the patient's full name to clearly specify to whom the medication is being prescribed.

In contrast, while the prescriber’s name is usually included, extensive details about their credentials (such as degrees or certifications) are not mandated. The focus for RX labels is primarily on the information pertinent to the medication and the patient, ensuring that the label serves its intended purpose of safe medication dispensing.