Drug interactions
Milnacipran + Quetiapine
Severity: Moderate
Milnacipran and Quetiapine: 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
Co-prescription is common, but the combination can rarely produce serotonin syndrome or neuroleptic malignant syndrome. Additive sedation, orthostatic hypotension and heart rate effects may also be seen.
What this interaction means in plain words
Milnacipran and Quetiapine 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; Quetiapine 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 confusion, fever, rigidity, clonus and autonomic instability, particularly after initiation or dose increases. Stop both drugs and give supportive care if a syndrome 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?
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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 Quetiapine
- Adagrasib + Quetiapine Major
- Amiodarone + Quetiapine Major
- Amisulpride + Quetiapine Major
- Amoxapine + Quetiapine Major
- Anagrelide + Quetiapine Major
- Apalutamide + Quetiapine Major
Frequently asked questions
Can I take Milnacipran with Quetiapine?
MediHelp rates the interaction as moderate. Milnacipran and Quetiapine 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. Co-prescription is common, but the combination can rarely produce serotonin syndrome or neuroleptic malignant syndrome. Additive sedation, orthostatic hypotension and heart rate effects may also be seen.
How serious is the interaction between Milnacipran and Quetiapine?
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 confusion, fever, rigidity, clonus and autonomic instability, particularly after initiation or dose increases. Stop both drugs and give supportive care if a syndrome is suspected.
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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