chronic pain
"I was diagnosed with cancer at the age of 20, I stopped school and went through many years of chemotherapy. For bone and nerve pain I found methadone to be the best drug for daily use. It does help particularly with nerve pain. However since its long half life and milder symptoms compared to other opiates it was easy for me to develop the drug into a daily routine. 8 years later I am still taking methadone 3x a day everyday... Not so much for pain  but because of the horrible withdrawals (which can last for months)  i experience if I miss a dose. I am now trapped in an addiction I never wanted, before considering methadone for long term use please research methadone addiction. Its considered by many to be one of the hardest drugs to kick."