Benzo withdrawls are by far the worst withdrawl you can go through. My girlfriend got off them in Dec, she had hallucinations for a month, no memory, all kinds of horrible ****. She still sweats like crazy at night. She is like a furnace when she sleeps. She almost died detoxing. I wouldn't recommend going back on them. Just tough it out. It;'s hard but you can do it. Good Luck!
AT 5 months off you aren't having w/d's, you are either having cravings for the drug or something else is going on. You can get off Benzo's in a month of tapering but if you've been off 5 months and are having problems I would get checked out to make sure there isn't anything else going on.