Drug interactions
Artemether + Nortriptyline
Severity: Major
Artemether and Nortriptyline: 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
Artemether and tricyclic antidepressants can each lengthen the QTc interval. Used together they may increase the chance of torsades de pointes, especially with electrolyte disturbance or heart disease.
What this interaction means in plain words
Artemether and Nortriptyline 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 QT prolongation through effects on cardiac repolarization.
What to do
Prefer an alternative antidepressant or antimalarial if feasible. If both are required, check a baseline ECG, correct potassium and magnesium, and monitor the QTc.
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 Nortriptyline
- Disopyramide + Nortriptyline Contraindicated
- Dofetilide + Nortriptyline Contraindicated
- Dronedarone + Nortriptyline Contraindicated
- Ibutilide + Nortriptyline Contraindicated
- Isocarboxazid + Nortriptyline Contraindicated
- Methylene blue + Nortriptyline Contraindicated
Frequently asked questions
Can I take Artemether with Nortriptyline?
MediHelp rates the interaction as major. Artemether and Nortriptyline 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. Artemether and tricyclic antidepressants can each lengthen the QTc interval. Used together they may increase the chance of torsades de pointes, especially with electrolyte disturbance or heart disease.
How serious is the interaction between Artemether and Nortriptyline?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer an alternative antidepressant or antimalarial if feasible. If both are required, check a baseline ECG, correct potassium and magnesium, and monitor the QTc.
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.
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