Knowra Risperidone Risperidone Risperidone is an atypical antipsychotic medication used to treat schizophrenia, bipolar disorder, and irritability associated with autism. It reduces dopamine and serotonin signaling through receptor blockade.
Dopamine D2 receptor : A G protein-coupled receptor through which dopamine influences movement, motivation, and other brain functions. Risperidone's blockade of this receptor reduces psychotic symptoms and contributes to movement-related adverse effects.
Schizophrenia : A mental disorder involving psychosis, disorganized thought, and changes in motivation and emotional expression. Risperidone is used to reduce acute and ongoing symptoms of schizophrenia.
Olanzapine : An atypical antipsychotic used for schizophrenia and bipolar disorder. Compared with risperidone, olanzapine tends to cause more weight gain and metabolic effects.
Antipsychotic : A medication used to reduce psychosis or other symptoms through effects on neurotransmitter systems. Risperidone belongs to this broader drug class.
Weight gain : An increase in body mass that can result from medication, illness, or other causes. Risperidone can cause weight gain, though usually less than olanzapine.
Serotonin 5-HT2A receptor : A serotonin receptor involved in neural signaling, perception, and regulation of dopamine pathways. Risperidone blocks this receptor as well as D2, shaping its antipsychotic effects and side-effect profile.
Bipolar disorder : A mood disorder characterized by episodes of mania or hypomania and depression. Risperidone can treat manic or mixed episodes, sometimes alongside a mood stabilizer.
Aripiprazole : An atypical antipsychotic that acts as a partial agonist at dopamine D2 receptors. Its partial dopamine agonism contrasts with risperidone's D2 blockade and generally lowers prolactin risk.
Psychosis : A mental state involving impaired reality testing, often with hallucinations or delusions. Reducing psychotic symptoms is a central purpose of risperidone treatment.
Metabolic syndrome : A cluster of risk factors including abdominal obesity, high blood pressure, and abnormal glucose or lipid levels. Monitoring metabolic health matters during risperidone treatment because antipsychotics can affect weight and metabolism.
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