After many test for left abdominal pain for the past 18month,I was refaired to pain management clinic,within a short time the doctor told me that the pain is not due to abdominal pain but due to the nerve at T-12, he has given me oxycontin amitriptiline and a tens machine,the pain is reduced but what is the prognosis for this pain,n will I need to take these pain killers for ever,also I am worred about becoming adicted to the morphine