Risperidone
"I've been of risperidone for about 2-3 years and now I have a prolactinoma. It could be a coincidence -- although I know risperidone is notorious for causing high prolactin. As for any other side effects, I didn't experience any. I'm having a hard time getting off of this medication now that the doctor told me to stop taking it, because I can't sleep without it."