Risperidone for psychosis-induced aggression or agitation (rapid tranquillisation).

Background: Aggressive, agitated or violent behaviour due to psychosis constitutes an emergency psychiatric treatment where fast-acting interventions are required. Risperidone is a widely accessible antipsychotic that can be used to manage psychosis-induced aggression or agitation.

Objectives: To examine whether oral risperidone alone is an effective treatment for psychosis-induced aggression or agitation.