What the FDA labels say about taking them together
Quetiapine and risperidone
Quetiapine's FDA label of April 10, 2026 names risperidone in its warnings and precautions section; risperidone's label does not name quetiapine itself but warns about its class (Atypical antipsychotics).
Check it at the source: the quetiapine FDA label on DailyMed (effective April 10, 2026, H2-Pharma, LLC); the risperidone FDA label on DailyMed (effective May 28, 2026, Janssen Pharmaceuticals, Inc.).
What does the quetiapine label say about risperidone?
Quetiapine label, warnings and precautionsPatients with Dementia-Related Psychosis In placebo-controlled trials with risperidone, aripiprazole, and olanzapine in elderly subjects with dementia, there was a higher incidence of cerebrovascular adverse reactions (cerebrovascular accidents and transient ischemic attacks) including fatalities compared to placebo-treated subjects.
Source: FDA drug label (SEROQUEL), NDA020639 (Cheplapharm), as published by H2-Pharma, LLC, effective April 10, 2026 (SPL set 8ae62aaf-f8c5-417f-baac-0098369ca322), via openFDA; the full label on DailyMed
What does the risperidone label say about quetiapine?
Risperidone's label does not name quetiapine itself; it warns about its class (Atypical antipsychotics):
Risperidone label, boxed warningINCREASED MORTALITY IN ELDERLY PATIENTS WITH DEMENTIA-RELATED PSYCHOSIS Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death.
Risperidone label, boxed warningElderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death.
Source: FDA drug label (RISPERDAL), Janssen Pharmaceuticals, Inc., effective May 28, 2026 (SPL set 7e117c7e-02fc-4343-92a1-230061dfc5e0), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Quetiapine | Risperidone | |
|---|---|---|
| Labeled for | Schizophrenia, Bipolar disorder, Depression | Bipolar disorder, Schizophrenia |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $0.127 per tablet 300 mg tablet | $0.0368 per tablet 0.25 mg tablet |
| Shortage now | No current entry | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once