Interações medicamentosas
Amitriptyline + Selpercatinib
Gravidade: Grave
Amitriptyline and Selpercatinib: major interaction.
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Resumo
Both drugs can prolong the QT interval, so combining them may increase the risk of ventricular arrhythmias including Torsades de Pointes. The risk is greater with electrolyte disturbances or underlying heart disease.
O que esta interação significa em palavras simples
Amitriptyline and Selpercatinib 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; Selpercatinib belongs to Oncology.
Por que acontece
Additive QTc prolongation through pharmacodynamic effects on cardiac repolarization.
O que fazer
Monitor ECG and electrolytes at baseline and periodically, correcting potassium and magnesium abnormalities. Choose an alternative antidepressant if QTc rises significantly.
O que perguntar ao farmacêutico
- 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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Outras interações de Amitriptyline
- Amitriptyline + Isocarboxazid Contraindicada
- Amitriptyline + Methylene blue Contraindicada
- Amitriptyline + Phenelzine Contraindicada
- Amitriptyline + Pimozide Contraindicada
- Amitriptyline + Procarbazine Contraindicada
- Amitriptyline + Safinamide Contraindicada
Outras interações de Selpercatinib
Perguntas frequentes
Can I take Amitriptyline with Selpercatinib?
MediHelp rates the interaction as major. Amitriptyline and Selpercatinib 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 prolong the QT interval, so combining them may increase the risk of ventricular arrhythmias including Torsades de Pointes. The risk is greater with electrolyte disturbances or underlying heart disease.
How serious is the interaction between Amitriptyline and Selpercatinib?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and electrolytes at baseline and periodically, correcting potassium and magnesium abnormalities. Choose an alternative antidepressant if QTc rises significantly.
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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