Oxycodone is subject to international conventions on narcotic drugs. This leads him to develop an addiction to the narcotic painkiller Dilaudid. It is classified as a narcotic drug. I drugs under the Single Convention on Narcotic Drugs. It is regulated similarly to other narcotic drugs. The 1961 international treaty Single Convention on Narcotic Drugs classed cannabis with hard drugs. In 1948, marijuana was restricted as a narcotic drug. Aside from her addiction to narcotic drugs, Berber was also an alcoholic. I controlled substance under the United Nations Single Convention on Narcotic Drugs of 1961. It creates a class of medicines called Essential Narcotic Drugs (ENDs). She admitted to using marijuana and the narcotic Vicodin before the incident. The word "chemical" is also often used to refer to addictive, narcotic, or mind-altering drugs. For this reason, khat was not scheduled under the Single Convention on Narcotic Drugs. The nuisance was maintaining a room for the illegal keeping and selling of narcotic drugs. That meeting was known as the United Nations Conference on Narcotic Drugs.