I Am 6 Days Without My Methadone I Take 4

i am 6 days without my methadone i take 4 10mg tabs a day thats 1tab every six hrs been on this medication 10 years stareted out with 2 5mg tabs a day but tolerances built up i am 56 year old male that has been suffering from chronic back pain due to multiple injuries and degen. disk disease going thru hellashish withdrawal syptoms Iwant off this medication and have heard that suboxone was the way to go ...I do not want to gout of this world an opiate addict but my chronic pain is very real