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Interactions médicamenteuses

Amlodipine-olmesartan-hydrochlorothiazide + Dofetilide

Gravité: Contre-indiquée

Amlodipine-olmesartan-hydrochlorothiazide and Dofetilide: contraindicated interaction.

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Résumé

Hydrochlorothiazide can raise dofetilide levels by reducing renal clearance and may cause hypokalemia or hypomagnesemia. Higher dofetilide exposure prolongs the QT interval and can provoke torsades de pointes.

Ce que signifie cette interaction, en termes simples

Amlodipine-olmesartan-hydrochlorothiazide and Dofetilide are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Amlodipine-olmesartan-hydrochlorothiazide belongs to Cardiovascular; Dofetilide belongs to Cardiovascular.

Niveau de preuve: Moderate

Pourquoi elle survient

Thiazide-related reduction in renal elimination of dofetilide, with electrolyte disturbances adding to QT prolongation.

Conduite à tenir

Avoid concomitant use and select a non-thiazide antihypertensive. If unavoidable, monitor QTc, potassium and magnesium closely.

Questions à poser à votre pharmacien

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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 Amlodipine-olmesartan-hydrochlorothiazide with Dofetilide?

MediHelp rates the interaction as contraindicated. Amlodipine-olmesartan-hydrochlorothiazide and Dofetilide are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Hydrochlorothiazide can raise dofetilide levels by reducing renal clearance and may cause hypokalemia or hypomagnesemia. Higher dofetilide exposure prolongs the QT interval and can provoke torsades de pointes.

How serious is the interaction between Amlodipine-olmesartan-hydrochlorothiazide and Dofetilide?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concomitant use and select a non-thiazide antihypertensive. If unavoidable, monitor QTc, potassium and magnesium closely.

What other medicines interact with Amlodipine-olmesartan-hydrochlorothiazide?

MediHelp also lists interactions of Amlodipine-olmesartan-hydrochlorothiazide with, for example, Aliskiren, Sparsentan, Acemetacin. The full list is on the Amlodipine-olmesartan-hydrochlorothiazide page.

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