Drug interactions
Amifampridine + Nortriptyline
Severity: Moderate
Amifampridine and Nortriptyline: 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
Amifampridine carries a dose-related seizure risk, and tricyclic antidepressants lower seizure threshold. Together the likelihood of seizures may rise.
What this interaction means in plain words
Amifampridine and Nortriptyline 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.
Amifampridine belongs to Central Nervous System; Nortriptyline belongs to Central Nervous System.
Why it happens
Additive lowering of seizure threshold by both drugs.
What to do
Use the lowest effective amifampridine dose and monitor for seizure activity. Consider an alternative antidepressant in patients with seizure history.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Amifampridine and Nortriptyline, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Nortriptyline
- Disopyramide + Nortriptyline Contraindicated
- Dofetilide + Nortriptyline Contraindicated
- Dronedarone + Nortriptyline Contraindicated
- Ibutilide + Nortriptyline Contraindicated
- Isocarboxazid + Nortriptyline Contraindicated
- Methylene blue + Nortriptyline Contraindicated
Other interactions of Amifampridine
- Amifampridine + Bupropion-naltrexone Major
- Amantadine + Amifampridine Moderate
- Amifampridine + Amitriptyline Moderate
- Amifampridine + Baclofen Moderate
- Amifampridine + Bethanechol Moderate
- Amifampridine + Bromocriptine Moderate
Frequently asked questions
Can I take Amifampridine with Nortriptyline?
MediHelp rates the interaction as moderate. Amifampridine and Nortriptyline 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. Amifampridine carries a dose-related seizure risk, and tricyclic antidepressants lower seizure threshold. Together the likelihood of seizures may rise.
How serious is the interaction between Amifampridine and Nortriptyline?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective amifampridine dose and monitor for seizure activity. Consider an alternative antidepressant in patients with seizure history.
What other medicines interact with Nortriptyline?
MediHelp also lists interactions of Nortriptyline with, for example, Disopyramide, Dofetilide, Dronedarone. The full list is on the Nortriptyline page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
