Drug interactions
Milnacipran + Risperidone
Severity: Moderate
Milnacipran and Risperidone: 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
An SNRI combined with risperidone may rarely cause serotonin syndrome or neuroleptic malignant syndrome. Risperidone is a CYP2D6 substrate, but milnacipran is not a meaningful inhibitor, so the concern is mainly pharmacodynamic.
What this interaction means in plain words
Milnacipran and Risperidone 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.
Milnacipran belongs to Central Nervous System; Risperidone belongs to Central Nervous System.
Why it happens
Additive serotonergic and dopaminergic modulation; the mechanism of the rare syndromes is not fully established.
What to do
Monitor for hyperthermia, rigidity, tremor, agitation and autonomic instability, especially at initiation and after dose changes. Discontinue both agents and treat supportively if a syndrome develops.
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?
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Other interactions of Milnacipran
- Isocarboxazid + Milnacipran Contraindicated
- Methylene blue + Milnacipran Contraindicated
- Milnacipran + Phenelzine Contraindicated
- Milnacipran + Procarbazine Contraindicated
- Milnacipran + Rasagiline Contraindicated
- Milnacipran + Safinamide Contraindicated
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 Milnacipran with Risperidone?
MediHelp rates the interaction as moderate. Milnacipran and Risperidone 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. An SNRI combined with risperidone may rarely cause serotonin syndrome or neuroleptic malignant syndrome. Risperidone is a CYP2D6 substrate, but milnacipran is not a meaningful inhibitor, so the concern is mainly pharmacodynamic.
How serious is the interaction between Milnacipran and Risperidone?
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 hyperthermia, rigidity, tremor, agitation and autonomic instability, especially at initiation and after dose changes. Discontinue both agents and treat supportively if a syndrome develops.
What other medicines interact with Milnacipran?
MediHelp also lists interactions of Milnacipran with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Milnacipran page.
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