Drug interactions
Levomilnacipran + Vilazodone
Severity: Major
Levomilnacipran and Vilazodone: major 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
Both drugs increase serotonergic activity, so the combination raises the risk of serotonin syndrome, and levomilnacipran may also add to blood pressure and heart rate increases.
What this interaction means in plain words
Levomilnacipran and Vilazodone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Levomilnacipran belongs to Central Nervous System; Vilazodone belongs to Central Nervous System.
Why it happens
Additive serotonergic effects from serotonin reuptake inhibition by both drugs.
What to do
Avoid combining two serotonergic antidepressants unless clearly necessary. If combined, monitor for serotonin syndrome and blood pressure, and stop both if toxicity occurs.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Vilazodone
- Isocarboxazid + Vilazodone Contraindicated
- Methylene blue + Vilazodone Contraindicated
- Phenelzine + Vilazodone Contraindicated
- Rasagiline + Vilazodone Contraindicated
- Selegiline transdermal + Vilazodone Contraindicated
- Selegiline + Vilazodone Contraindicated
Other interactions of Levomilnacipran
- Isocarboxazid + Levomilnacipran Contraindicated
- Levomilnacipran + Linezolid Contraindicated
- Levomilnacipran + Methylthioninium chloride Contraindicated
- Levomilnacipran + Phenelzine Contraindicated
- Levomilnacipran + Procarbazine Contraindicated
- Levomilnacipran + Rasagiline Contraindicated
Frequently asked questions
Can I take Levomilnacipran with Vilazodone?
MediHelp rates the interaction as major. Levomilnacipran and Vilazodone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs increase serotonergic activity, so the combination raises the risk of serotonin syndrome, and levomilnacipran may also add to blood pressure and heart rate increases.
How serious is the interaction between Levomilnacipran and Vilazodone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combining two serotonergic antidepressants unless clearly necessary. If combined, monitor for serotonin syndrome and blood pressure, and stop both if toxicity occurs.
What other medicines interact with Vilazodone?
MediHelp also lists interactions of Vilazodone with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Vilazodone page.
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