Buy Methadone (Dolophine) Effective Painkiller On PayPal | Buy Methadone online as an effective painkiller. Shop now Methadone on PayPal and save Methadone is used for the treatment of chronic pain; it is an FDA-approved medication and is available on the market with brand names Dolophine and Methadose. This stronger medication 5mg and 10 mg dosages of Methadone can be used before and after surgery, injuries, and foot pain.