Drug interactions
Fentanyl + Maprotiline
Severity: Moderate
Fentanyl and Maprotiline: 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
Maprotiline is a sedating tetracyclic antidepressant and adds to the CNS depression of fentanyl. It also has noradrenergic and some serotonergic effects, and may lower the seizure threshold.
What this interaction means in plain words
Fentanyl and Maprotiline 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.
Fentanyl belongs to Musculoskeletal; Maprotiline belongs to Central Nervous System.
Why it happens
Additive CNS depression plus possible additive serotonergic and noradrenergic effects.
What to do
Monitor for sedation, respiratory depression and signs of serotonin toxicity. Use the lowest effective doses and adjust if adverse effects appear.
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 Fentanyl
- Alvimopan + Fentanyl Contraindicated
- Fentanyl + Isocarboxazid Contraindicated
- Fentanyl + Olanzapine / samidorphan Contraindicated
- Fentanyl + Phenelzine Contraindicated
- Fentanyl + Tranylcypromine Contraindicated
- Alfentanil + Fentanyl Major
Other interactions of Maprotiline
- Arsenic trioxide + Maprotiline Contraindicated
- Disopyramide + Maprotiline Contraindicated
- Dofetilide + Maprotiline Contraindicated
- Ibutilide + Maprotiline Contraindicated
- Isocarboxazid + Maprotiline Contraindicated
- Maprotiline + Methylene blue Contraindicated
Frequently asked questions
Can I take Fentanyl with Maprotiline?
MediHelp rates the interaction as moderate. Fentanyl and Maprotiline 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. Maprotiline is a sedating tetracyclic antidepressant and adds to the CNS depression of fentanyl. It also has noradrenergic and some serotonergic effects, and may lower the seizure threshold.
How serious is the interaction between Fentanyl and Maprotiline?
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 sedation, respiratory depression and signs of serotonin toxicity. Use the lowest effective doses and adjust if adverse effects appear.
What other medicines interact with Fentanyl?
MediHelp also lists interactions of Fentanyl with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Fentanyl page.
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