Drug interactions
Amoxapine + Milnacipran
Severity: Major
Amoxapine and Milnacipran: major interaction.
Last updated Sources: US FDA label
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 inhibit norepinephrine and serotonin reuptake, so combined use raises the risk of serotonin syndrome and noradrenergic effects such as tachycardia and hypertension. Amoxapine also blocks dopamine receptors, adding to neurological adverse effects.
What this interaction means in plain words
Amoxapine and Milnacipran 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.
Why it happens
Additive serotonin and norepinephrine reuptake inhibition.
What to do
Avoid the combination where possible. If both are required, use the lowest doses and monitor for serotonin toxicity, blood pressure and heart rate.
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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References
Other interactions of Milnacipran
- Isocarboxazid + Milnacipran Contraindicated
- Methylene blue + Milnacipran Contraindicated
- Milnacipran + Phenelzine Contraindicated
- Milnacipran + Procarbazine Contraindicated
- Milnacipran + Rasagiline Contraindicated
- Milnacipran + Safinamide Contraindicated
Frequently asked questions
Can I take Amoxapine with Milnacipran?
MediHelp rates the interaction as major. Amoxapine and Milnacipran 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 inhibit norepinephrine and serotonin reuptake, so combined use raises the risk of serotonin syndrome and noradrenergic effects such as tachycardia and hypertension. Amoxapine also blocks dopamine receptors, adding to neurological adverse effects.
How serious is the interaction between Amoxapine and Milnacipran?
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 the combination where possible. If both are required, use the lowest doses and monitor for serotonin toxicity, blood pressure and heart rate.
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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