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Dictionary · Drug

modafinil

A drug that promotes wakefulness, used for excessive sleepiness from narcolepsy, sleep apnea or shift work.

moh-DAF-ih-nil noun

What it means

A wake-promoting agent that acts on brain chemicals such as dopamine. It is taken once in the morning (or before a work shift). Side effects include headache, nausea, anxiety and insomnia, and rarely a serious skin rash. It is a Schedule IV controlled substance.

For the nurse

Teach the client to stop it and report any rash, and that it can make hormonal birth control less effective during use and for a month after.

At a glance

Drug classwakefulness-promoting agent (CNS stimulant)
Brand namesProvigil
Also writtenProvigil

Related terms

central nervous system

The brain and the spinal cord together.

dextroamphetamine

A central nervous system stimulant used for attention-deficit/hyperactivity disorder and narcolepsy.

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