How To Get Rid Of Addiction To Codeine?

hi my names steven and im addicted to codeine I buy a pack of 40tabs 15mg and usually need another pack 3 days later.im trying to stop them well gunna stop.I take 2 to 4 less a day sometimes but the pain and discomfort is annoying.I first started taking them them about 5 years ago i got onto the methadone program i was on a high dose of it i didn t like the methadone so i stopped it i didn t use cocaine to help me get through it i went cold turkey about 5 or6 months later i got a bad migraine one day and when i brought a packet of codeine and have been taking them now since then i don t want to take them anymore i am trying to stop them so i take 2 to 4 less tablets a day sometimes but the pain and discomfort is annoying and it hurts i try warm packs cold packs but i think i need other measures to help me get through it i don t want to go back on the methadone program so could you please let me know what i could do to help me get through this or do you have any other options other than being on the methadone program again thank you please get back to me i need some advice one other thing the reason i took those tablets is because i had bad migraines but now i have those migraines under control but i still seem to be addicted to codeine i even try rest sleep but i can t because i keep waking up all night and i end up worse off because i m not getting sleep so seems to be a circle. I forgot to say i ve lost so much weight i m actually down to 52 kilos of lost around i m not sure but about 3 4 5 months ago i was 75 kilos and now i m averaging between 50 to 55kgs.