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risperidone
noun
ris·per·i·done
ri-ˈsper-ə-ˌdōn
: an antipsychotic drug C28H27FN4O2 used especially to treat schizophrenia
Examples of risperidone in a Sentence
Recent Examples on the Web
Tardive dyskinesia is a fairly common side effect for patients taking Zyprexa and Risperdal (risperidone).
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Joshua P. Cohen, Forbes, 5 Nov. 2024
Maguire has successfully tested risperidone, olanzapine and lurasidone, all of which reduced the severity of stuttering, although none has received approval from the Food and Drug Administration.
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Lydia Denworth, Scientific American, 1 Aug. 2021
Some common first-generation antipsychotics include chlorpromazine, haloperidol, perphenazine, and fluphenazine; second-generation drugs include olanzapine, risperidone, quetiapine, aripiprazole, ziprasidone, lurasidone, cariprazine, and paliperidone.
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Ashley Abramson, SELF, 11 Feb. 2022
Neither cognitive therapy, nor the antipsychotic drug risperidone (at a low dose) had any effect: those given 'supportive therapy' (basically: sympathetic chats) and a placebo pill did just as well.
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Neuroskeptic, Discover Magazine, 16 Dec. 2012
The patient agreed to a risperidone [an antipsychotic] trial of up to 2 mg per day.
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Neuroskeptic, Discover Magazine, 19 Feb. 2011
Over the years, Maguire has conducted small, successful clinical studies with these medications including risperidone, olanzapine and lurasidone.
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Amber Dance Knowable Magazine, Smithsonian Magazine, 4 Sep. 2020
Her doctor immediately started her on an antidepressant and on risperidone (Risperdal), an antipsychotic.
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Andrea Alfano, Scientific American, 1 July 2015
Unlike risperidone, though, aripiprazole has not been shown to work long term in children with autism.
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Popular Science, 10 Mar. 2020
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Word History
Etymology
perhaps from fluor- + is- + piperidine + -one
First Known Use
1988, in the meaning defined above
Dictionary Entries Near risperidone
Cite this Entry
“Risperidone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/risperidone. Accessed 11 Feb. 2025.
Medical Definition
risperidone
noun
ris·per·i·done
ri-ˈsper-ə-ˌdōn
: 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
Note: 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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