Hello I am currently taking buprenorphine for pain management and I noticed an increase in my water retention and weight gain. Will this side effect go away I was just fine and never gain an once on my morphine . How do I ask my pain management doctor to switch me bac? I know that the doctors are alwYs being watched closely now because of this. I wasn t abusing my mess or was a Hardin addicted I was on a contract but had to be referred to a pain clinic because doctors licenses being watched very close