''There are 2 switch possibities'':
'''Number 1 (the general approach):'''
* '''Day 1:''' Switch to oral risperidone (or oral paliperidone): see this switch in the main cross table.
* '''Day 1-29:''' Maintain on oral risperidone (or oral paliperidone) and examine the effects.
'''Number 2 (if a patient in the past reacted well on risperidon or paliperidone=9-OH-risperidone):'''