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controlled substance

A drug whose making, prescribing and use are strictly regulated by law because it can be misused or cause dependence.

kun-TROHLD SUB-stuns noun

What it means

In the United States, the Controlled Substances Act sorts these drugs into schedules. Schedule I drugs have a high potential for misuse and no accepted medical use. Schedule II drugs, such as most opioids and stimulants, have accepted uses but a high potential for misuse; Schedules III to V have less and less.

For the nurse

Keep controlled drugs locked, count them at shift change as policy directs, and have a second nurse witness and document any waste. Report a count that does not match.

At a glance

Spanishsustancia controlada
Also writtencontrolled substances

Related terms

opioid analgesic

A strong drug that relieves moderate to severe pain by acting on the brain and spinal cord.

substance misuse

Using alcohol, drugs or medicines in a way that can cause harm, or using a medicine other than as prescribed.

prescription drug

A drug that can only be legally sold or given with an order from a licensed prescriber.

misuse

Using something in the wrong way or for the wrong purpose, such as taking a medicine other than as prescribed.

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