I would really try your best to see a proper qualified healthcare professional with experience of dealing with treating addiction before doing anything drastic.
In my country (UK, which is culturally and geographically part of Europe but trying to separate from it politically) there was a big conservative backlash which caused a change of government and cuts to health service budgets, which forced drug treatment of opiate addicts to move from maintained but declining dosage to forced abstinence.
This has actually caused a rise in deaths across the UK to the point in some regions drugs kill more people than traffic collisions and this is a small country with some of the most dangerous road layouts of Europe.
Elsewhere in Europe where they still have tolerated maintained dosage this does not happen.
Now I am not a doctor and do not know if this sudden abstinence/cold turkey can actually kill people outright or whether what actually happens is just that life becomes so unpleasant for them they end up relapsing and having fatal ODs or committing suicide, but if you want to quit opiates and live at the same time it would make sense to make doing so as risk free as possible.
