Hi my name is Wanda and i am currently on oxycotin 60 mgs 3 times a day for chronic pain,now my insurance is saying they don t want to cover the the cost offering me options like Levorphanol Tartrate,Morphine sulfate er which i have trouble with my breathing with so no way,then oxmorphone Hydrochloride er which i take opana 05 mgs 3 times a day for breakthrough pain and then,Exalgo or Nucynta er, please tell me should i be scared of of not being able to control my pain anymore and since i will be on medication for the rest of my life would any of these drugs cause long term harm,truly scared