WASHINGTON (AP) — The federal government is finalizing new restrictions on hundreds of medicines containing hydrocodone, the highly addictive painkiller that has grown into the most widely prescribed drug in the U.S.

The new rules mean that drugs like Vicodin, Lortab and their generic equivalents will be subject to the same prescribing rules as painkillers like codeine and oxycodone. Patients will be limited to one 90-day supply of medication and will have to see a health care professional to get a refill. In many states, only doctors will be able to prescribe the medications, not nurses or physician assistants.

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