Your psychiatrist will help you with this, it is his responsiblity having put you on it, but by a large a gradual three week tapering off by lowering the dose and increasing the intervals from daily to every other day, then every third day in the third day, then stop.
read about the side effects and went off it cold turkey. He was
16 at the time. Took him several days to a week to get through it
and it was pretty rough on him. Couldn't sleep and had body
temperature fluctuations.
We read about this drug being rather hard to get off of once
started.
He's on a low dosage of another medication now and is doing
much better with it.