Final answer:
Verbal prescriptions for C3 drugs, which have a recognized potential for abuse, are typically limited to a 72-hour supply. This limitation balances urgent access to medication with the need to monitor the dispensing of controlled substances closely.
Step-by-step explanation:
In the context of controlled substances, particularly Schedule III drugs (C3), verbal prescriptions are usually subject to strict regulatory limitations to prevent abuse and diversion. When a healthcare provider issues a verbal prescription for a C3 drug, which includes medications that have a potential for abuse but less than Schedule I and II drugs, it is generally allowed for a 72-hour supply. This restrictive period aims to balance the need for urgent access to medication with the regulatory framework designed to monitor the dispensing of controlled substances.
For medication regimens requiring treatment beyond this period, patients will typically need to obtain a written prescription or an electronic prescription, depending on the legal requirements of their jurisdiction. It is essential to note that laws can vary by state, and healthcare providers must follow both federal and state regulations regarding prescription of controlled substances.