What is the federal time limit within which a Schedule II prescription must be filled after being written?

A Schedule II prescription does not have a specific federal time limit for being filled after it is written. This means that, according to federal law, once the prescription is issued by an authorized practitioner, it can be filled at any time, as long as the prescription remains valid under state laws and the prescribing authority does not specify a filling time.

It is essential for pharmacists to be aware that while there are certain recommendations and practices, the absence of a federal time limit allows for flexibility in filling these prescriptions. However, it's also important to note that some states may impose their own regulations regarding the timeframe for filling Schedule II prescriptions, which must be adhered to. This aspect reinforces the understanding that while federal guidelines provide a baseline, state laws can create additional requirements that pharmacists need to follow.