Definition of risperidone
: an antipsychotic drug C28H27FN4O2 used especially to treat schizophrenia
Origin and Etymology of risperidone
perhaps from fluor- + is- + piperidine + -one
First Known Use: 1988
Medical Definition of risperidone
: an antipsychotic drug C28H27FN4O2 that is used especially to treat schizophrenia, acute manic episodes of bipolar disorder, and irritability associated with autism in children and adolescents ◆Risperidone's exact mechanism of action is unknown, but it is noted for its affinity for certain serotonin, dopamine, alpha-adrenergic, and histamine receptors in the brain. It is marketed under the trademark Risperdal.
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