Can You Fill a Controlled Substance Early?

According to the federal regulations, controlled medications like Schedules III and IV can only be refilled early on an authorized prescription or usually as early as two days for a 30-day supply.

How early can you fill a narcotic prescription?

You must wait two days until you run out of your prescription drug before filling the next narcotic prescription. Pharmacies check the state's prescription drug monitoring database before they fill scheduled drugs. If it is too early, you might start falling in the “is he/she abusing this medication?” category.

Can you refill a Schedule 2 drug early?

Schedule II medications may not be refilled; a new prescription must be written every time.