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Interactions médicamenteuses

Amitriptyline + Pasireotide

Gravité: Majeure

Amitriptyline and Pasireotide: major interaction.

Dernière mise à jour

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Résumé

Both drugs can prolong the QT interval, and pasireotide may also cause bradycardia, which increases the risk of torsades de pointes. The risk is higher with hypokalemia, hypomagnesemia or underlying heart disease.

Ce que signifie cette interaction, en termes simples

Amitriptyline and Pasireotide 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; Pasireotide belongs to Endocrine.

Niveau de preuve: Moderate

Pourquoi elle survient

Additive prolongation of cardiac repolarization, with pasireotide-related bradycardia increasing the arrhythmic risk.

Conduite à tenir

Obtain a baseline ECG and monitor it during treatment, and correct potassium and magnesium abnormalities before and during therapy. Consider an alternative to amitriptyline if QTc becomes prolonged.

Questions à poser à votre pharmacien

  • 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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Questions fréquentes

Can I take Amitriptyline with Pasireotide?

MediHelp rates the interaction as major. Amitriptyline and Pasireotide 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, and pasireotide may also cause bradycardia, which increases the risk of torsades de pointes. The risk is higher with hypokalemia, hypomagnesemia or underlying heart disease.

How serious is the interaction between Amitriptyline and Pasireotide?

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 a baseline ECG and monitor it during treatment, and correct potassium and magnesium abnormalities before and during therapy. Consider an alternative to amitriptyline if QTc becomes prolonged.

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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