"i&#039;ve been taking a high dose of methadone for over 5 years for neuropathy. without it i wouldn&#039;t be able to walk or sleep. i&#039;ve tried everything and this has been the only thing that allows me to function a normal life. why have they eliminated the 40mg strength from use in pain treatment? many drugs are used for purposes other than what they are approved for. as a health care professional i&#039;ve seen this done on a daily basis. on a personal level i&#039;ve benefited from this practice when drug used"