Risperidone — Atypical antipsychotic. Study the mechanism, listed uses and warnings from the US label on one sourced card.
Generic name
Risperidone
Class
Atypical antipsychotic
Mechanism
Mechanism is unclear; activity in schizophrenia may involve combined dopamine D2 and serotonin 5-HT2 receptor antagonism.
Used for
Schizophrenia in adults and adolescents aged 13–17 years; Acute manic or mixed episodes of bipolar I disorder: monotherapy in adults and patients aged 10–17 years, or adjunct to lithium or valproate in adults; Irritability associated with autistic disorder in patients aged 5–17 years
Brand questions use only name pairings verified against the linked product source. Unverified pairings are withheld from these questions; the other study content remains available.
Label date: 20260830 · For learning, not clinical decisions. US label and brand information; always consult the current source.
Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.
Mechanism: Mechanism is unclear; efficacy in schizophrenia may involve combined dopamine and serotonin 5-HT2 antagonism.
On both cards: Used for — Schizophrenia in adults and adolescents aged 13–17 years · Common side effects — Dizziness
Only on the Olanzapine card: Used for — Acute manic or mixed episodes of bipolar I disorder in adults and adolescents aged 13–17 years; maintenance treatment in adults; Adjunct to lithium or valproate for acute manic or mixed episodes of bipolar I disorder in adults · Common side effects — Weight gain; Somnolence; Constipation; Dry mouth · Warnings — Hyperglycemia / diabetes; Dyslipidemia and weight gain; Cerebrovascular events in elderly dementia · Interactions — Diazepam / alcohol; Carbamazepine; Fluvoxamine
Mechanism: May act through partial agonism at D2 and 5-HT1A receptors and antagonism at 5-HT2A receptors.
On both cards: Common side effects — Akathisia · Warnings — Neuroleptic malignant syndrome; Tardive dyskinesia
Only on the Aripiprazole card: Used for — Schizophrenia in adults and adolescents aged 13–17; Acute bipolar I manic or mixed episodes in adults and patients aged 10–17, alone or with lithium or valproate; Adjunct to antidepressants for major depressive disorder in adults; Irritability associated with autistic disorder at ages 6–17; Tourette disorder at ages 6–18 · Common side effects — Nausea; Headache; Insomnia; Constipation · Warnings — Pathological gambling / compulsive behaviors · Interactions — Strong CYP2D6 inhibitors; Strong CYP3A4 inhibitors; Strong CYP3A4 inducers
Mechanism: Binds the benzodiazepine site of GABA-A receptors in the brain, enhancing GABA-mediated synaptic inhibition.
On both cards: Common side effects — Sedation; Dizziness
Only on the Lorazepam card: Used for — Anxiety disorders in adults already receiving stable, evenly divided three-times-daily lorazepam tablets, when converted to the selected LOREEV XR formulation · Common side effects — Weakness; Unsteadiness · Warnings — Contraindicated in acute narrow-angle glaucoma; CNS depression; Neonatal sedation and withdrawal · Interactions — Opioids; Alcohol / CNS depressants; UGT inhibitors
An item counts as shared only when both cards use the same wording. If a card does not list an item, that is not a statement that the effect never occurs.
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