Opiates are central nervous system depressants which are used medically to relieve pain.
Opiates are derived from resin of the poppy plant, which grows in countries throughout the world. The resin can be converted into opium, heroin, codeine and morphine. Opiates have a high potential for abuse and are found in a variety of forms including powders, liquids, tablets, syrups, and capsules. Some opiates, such as morphine, codeine and dilaudid, are prescribed by a physician. These drugs are used to relieve pain, cough and diarrhea.