I used to be on 30mg of Oxycodone 180 every 21 days and I. Take 80mg of oxyContin then in 2013 my doctor stop prescribing them I need them I had three back surgeries The third one was failed spinal fusion in 2008 then in 2010 I had cervical fusion c5 c6 c7 removed with metal plate I'm still on 80mgs of oxyContin methadone and of instant release of 10mgs of Instant relief of opana