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A '''narcotic''' is literally a drug that induces sleep.<ref>[http://www.druglibrary.org/gh/what_is_a_narcotic.htm Drug Library, "What is a 'narcotic' drug?"]</ref> The word "narcotic" is taken from the Greek word '''narkos''', meaning "sleep." The term most commonly refers to [[opioid]]s such as [[heroin]], [[morphine]], and [[codeine]].

A '''narcotic''' is literally a drug that induces sleep.<ref>[http://www.druglibrary.org/gh/what_is_a_narcotic.htm Drug Library, "What is a 'narcotic' drug?"]</ref> The word "narcotic" is taken from the Greek word '''narkos''', meaning "sleep." Narcotics can be either naturally grown  or man-made. Therm most commonly refers to [[opioid]]s such as [[heroin]], [[morphine]], and [[codeine]].

The term '''narcotic''' can also be used to describe any illegal drug, including [[marijuana]] or [[cocaine]], even though these drugs are not considered narcotics in the medical context. Due to this common confusion of the term, medical professionals typically refer to [[pharmacuetical]] narcotic pain relievers as "[[opioid]]s" or "opioid analgesics."  

The term '''narcotic''' can also be used to describe any illegal drug, including [[marijuana]] or [[cocaine]], even though these drugs are not considered narcotics in the medical context. Due to this common confusion of the term, medical professionals typically refer to [[pharmacuetical]] narcotic pain relievers as "[[opioid]]s" or "opioid analgesics."