Narcotics are drugs used for pain releif and stupor (sometimes for exitement), the term narcotic comes from the greek "stupor" and<em> includes a group of substances refered as opium, opium derivatives, and come semi-synthetic substitutes that come from a complex mix obtained from the opium poppy.</em>
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The 1961 Convention exercises control over more than 116 narcotic drugs. They include mainly plant-based products such as opium and its derivatives morphine, codeine and heroin, but also synthetic narcotics such as methadone and pethidine, as well as cannabis, coca and cocaine.