Final answer:
The Durham-Humphrey Amendment requires that prescription medications be labeled with specific information.
Step-by-step explanation:
The Durham-Humphrey Amendment, also known as the Prescription Drug Amendment of 1951, mandates that certain prescription medications must be labeled with the statement 'Caution: Federal law prohibits dispensing without a prescription.'
This labeling requirement helps distinguish prescription medications from over-the-counter drugs and ensures that they are only dispensed under the supervision of a healthcare professional. It helps prevent misuse or misunderstanding of the medication by emphasizing that it should only be used under the guidance of a licensed healthcare provider.
Additionally, prescription medications may also have other required labeling information such as the drug's name, dosage instructions, warnings, and directions for use.