I took Risperdal 2mg for a little while to "knock me down" from hypomania and get me some sleep. I didn't have a good experience on it. I felt flat and I was very difficult to function at work (I'm a nurse and couldn't afford the extra time to think). I started having mild hallucinations( i knew what I was seeing wasn't real) /depersonalization, and paranoid episodes so it wasn't a good fit for me. I ended up hospitalized two months after starting it so I might have just been heading in that direction anyways. Risperdal's sister drug is Invega and I took that a few years ago and it worked really well although lactation can happen with both of those drugs.