Risperidone (/rɨˈspɛərɨdoʊn/ ri-SPAIR-i-dohn) (trade name Risperdal, and generics) is an antipsychotic drug mainly used to treat schizophrenia (including adolescent schizophrenia), schizoaffective disorder, the mixed and manic states of bipolar disorder, and irritability in people with autism.
Risperidone is a second-generation atypical antipsychotic. It is a dopamine antagonist possessing anti-serotonergic, anti-adrenergic and anti-histaminergic properties.
Adverse effects of risperidone include significant weight gain and metabolic problems such as diabetes mellitus type 2, as well as tardive...