Drug interactions
Amitriptyline + Givinostat
Severity: Major
Amitriptyline and Givinostat: 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 can lengthen the QTc interval, increasing the potential for serious ventricular arrhythmias. The risk is higher with electrolyte abnormalities or cardiac disease.
What this interaction means in plain words
Amitriptyline and Givinostat 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; Givinostat belongs to Miscellaneous.
Why it happens
Additive QTc prolongation through effects on cardiac repolarization.
What to do
Obtain ECGs at initiation and during concurrent use, and correct electrolyte abnormalities. Withhold the interacting drugs if QTc exceeds 500 ms or rises more than 60 ms from baseline.
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 Givinostat
- Abiraterone + Givinostat Major
- Amiodarone + Givinostat Major
- Amisulpride + Givinostat Major
- Anagrelide + Givinostat Major
- Asenapine + Givinostat Major
- Chlorpromazine + Givinostat Major
Frequently asked questions
Can I take Amitriptyline with Givinostat?
MediHelp rates the interaction as major. Amitriptyline and Givinostat 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 can lengthen the QTc interval, increasing the potential for serious ventricular arrhythmias. The risk is higher with electrolyte abnormalities or cardiac disease.
How serious is the interaction between Amitriptyline and Givinostat?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain ECGs at initiation and during concurrent use, and correct electrolyte abnormalities. Withhold the interacting drugs if QTc exceeds 500 ms or rises more than 60 ms from baseline.
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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