Answer:
The allowable duration of an emergency fill for controlled prescriptions typically is up to a 72-hour supply, based on federal law in the United States, but can vary based on state regulations. Always check the current laws and guidelines relevant to the specific location.
Step-by-step explanation:
The allowable duration of an emergency fill for controlled prescriptions can vary depending on the regulations of the specific state or country. In the United States, for example, the emergency dispensing of a medication without a prescription can be allowed under certain circumstances. Pharmacists may be permitted to provide an emergency supply of a controlled substance when the prescriber cannot be reached. However, the duration is typically limited. Federal law allows pharmacists to dispense up to a 72-hour supply of a controlled medication to tide a patient over until they can obtain a prescription from their physician. It's crucial to note that the laws and guidelines about emergency fills could change and might have variance at the state level, so always check current regulations.