Question: Male, 17 years old, unknown subtype What are your thoughts on Risperidone? My son has been on Abilify for over 3 years but is now starting to become more agitated as time goes on. The Doctor is suggesting Risperidone to help his extreme impulsive outburst about very small things that he is dealing with. […] The post Ask Nurse Lynn: Switching from Abilify to Risperidone appeared first on Prader-Willi Syndrome Association | USA.