Drug interactions
Risperidone + Sumatriptan intranasal
Severity: Moderate
Risperidone and Sumatriptan intranasal: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Combining a triptan with an antipsychotic carries a theoretical risk of serotonin toxicity, and antipsychotic dopamine blockade may add to neuroleptic malignant syndrome concerns. Clinically significant events are uncommon.
What this interaction means in plain words
Risperidone and Sumatriptan intranasal can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive serotonergic activity (5-HT1B/1D agonism with 5-HT2A antagonism) with uncertain pharmacodynamic interplay.
What to do
Monitor for agitation, tremor, hyperthermia, rigidity and autonomic instability; stop the triptan if serotonin toxicity is suspected.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Risperidone and Sumatriptan intranasal, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Risperidone
- Ibutilide + Risperidone Contraindicated
- Risperidone + Vandetanib Contraindicated
- Adagrasib + Risperidone Major
- Amiodarone + Risperidone Major
- Amisulpride + Risperidone Major
- Amoxapine + Risperidone Major
Frequently asked questions
Can I take Risperidone with Sumatriptan intranasal?
MediHelp rates the interaction as moderate. Risperidone and Sumatriptan intranasal can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Combining a triptan with an antipsychotic carries a theoretical risk of serotonin toxicity, and antipsychotic dopamine blockade may add to neuroleptic malignant syndrome concerns. Clinically significant events are uncommon.
How serious is the interaction between Risperidone and Sumatriptan intranasal?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for agitation, tremor, hyperthermia, rigidity and autonomic instability; stop the triptan if serotonin toxicity is suspected.
What other medicines interact with Risperidone?
MediHelp also lists interactions of Risperidone with, for example, Ibutilide, Vandetanib, Adagrasib. The full list is on the Risperidone page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
