Drug interactions
Amitriptyline + Ivosidenib
Severity: Major
Amitriptyline and Ivosidenib: 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 prolong the QT interval. Combined use increases the risk of torsades de pointes.
What this interaction means in plain words
Amitriptyline and Ivosidenib 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.
Amitriptyline belongs to Central Nervous System; Ivosidenib belongs to Oncology.
Why it happens
Additive QT prolongation.
What to do
Use an alternative antidepressant where possible. If both are needed, monitor ECG and electrolytes and reduce ivosidenib as labeling advises for QT prolongation.
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 Amitriptyline
- Amitriptyline + Isocarboxazid Contraindicated
- Amitriptyline + Methylene blue Contraindicated
- Amitriptyline + Phenelzine Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amitriptyline + Procarbazine Contraindicated
- Amitriptyline + Safinamide Contraindicated
Other interactions of Ivosidenib
- Alfuzosin + Ivosidenib Major
- Amiodarone + Ivosidenib Major
- Amisulpride + Ivosidenib Major
- Amobarbital + Ivosidenib Major
- Anagrelide + Ivosidenib Major
- Apalutamide + Ivosidenib Major
Frequently asked questions
Can I take Amitriptyline with Ivosidenib?
MediHelp rates the interaction as major. Amitriptyline and Ivosidenib 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 prolong the QT interval. Combined use increases the risk of torsades de pointes.
How serious is the interaction between Amitriptyline and Ivosidenib?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use an alternative antidepressant where possible. If both are needed, monitor ECG and electrolytes and reduce ivosidenib as labeling advises for QT prolongation.
What other medicines interact with Amitriptyline?
MediHelp also lists interactions of Amitriptyline with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Amitriptyline page.
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