Tip - How Does Methadone Treatment Work? | LIVESTRONG.COM

Methadone is a narcotic drug used to treat chronic pain and opiate addiction. Originally developed in Germany, during World War II, the drug was first introduced to the United States in 1947. Methadone was first used as a long-acting painkiller in both surgical and cancer patients. It wasn't until after 1950 that methadone found use as a withdrawal...