In the 1800s, cannabis was frequently used to get addicts off of their addiction. There is a thread about using cannabis in this way over at another site.......

opiate withdrawals and pot - Grasscity.com Forums

There were a couple of dudes posting that had first-hand experience. They said it helps.

Granny :hippy:
Storm Crow Reviewed by Storm Crow on . confused about options. I have so many questions about MMJ i do not know where to begin. I started smoking weed 1n 1965 and enjoyed the 60s and 70s like no other time in my life. I am still living in that frame of mind to this day. Still a HIPPY. Now, I am 55 years old and I have hepatitis c and early stage cirrhosis of liver. I have a list of symptoms, meds (all liver toxic) and med test results, med visits, etc. I am not worried about qualifying for a recommendation. My big obstacle (seems insurmoountable) is Rating: 5