Medical Dictionary


noun nar·cot·ic \när-ˈkät-ik\

Medical Definition of NARCOTIC

:  a drug (as codeine, methadone, or morphine) that in moderate doses dulls the senses, relieves pain, and induces profound sleep but in excessive doses causes stupor, coma, or convulsions
:  a drug (as marijuana or LSD) subject to restriction similar to that of addictive narcotics whether in fact physiologically addictive and narcotic or not
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