Interactions médicamenteuses
Amiodarone + Atenolol-chlorthalidone
Gravité: Majeure
Amiodarone and Atenolol-chlorthalidone: major interaction.
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Résumé
Amiodarone and atenolol both depress sinus node and AV conduction, so combining them can cause marked bradycardia, AV block or sinus arrest. Risk is greatest in older patients or those with conduction disease, and amiodarone's long half-life prolongs the risk.
Ce que signifie cette interaction, en termes simples
Amiodarone and Atenolol-chlorthalidone 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.
Amiodarone belongs to Cardiovascular; Atenolol-chlorthalidone belongs to Cardiovascular.
Pourquoi elle survient
Additive negative chronotropic and dromotropic effects through beta-blockade and amiodarone's electrophysiologic actions.
Conduite à tenir
Monitor heart rate and ECG closely when starting or adjusting either drug, and reduce the atenolol dose or stop therapy if symptomatic bradycardia or conduction block occurs.
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?
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Autres interactions de Atenolol-chlorthalidone
Autres interactions de Amiodarone
- Amiodarone + Amisulpride Contre-indiquée
- Amiodarone + Arsenic trioxide Contre-indiquée
- Amiodarone + Dofetilide Contre-indiquée
- Amiodarone + Dronedarone Contre-indiquée
- Amiodarone + Droperidol Contre-indiquée
- Amiodarone + Eliglustat Contre-indiquée
Questions fréquentes
Can I take Amiodarone with Atenolol-chlorthalidone?
MediHelp rates the interaction as major. Amiodarone and Atenolol-chlorthalidone 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. Amiodarone and atenolol both depress sinus node and AV conduction, so combining them can cause marked bradycardia, AV block or sinus arrest. Risk is greatest in older patients or those with conduction disease, and amiodarone's long half-life prolongs the risk.
How serious is the interaction between Amiodarone and Atenolol-chlorthalidone?
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 heart rate and ECG closely when starting or adjusting either drug, and reduce the atenolol dose or stop therapy if symptomatic bradycardia or conduction block occurs.
What other medicines interact with Atenolol-chlorthalidone?
MediHelp also lists interactions of Atenolol-chlorthalidone with, for example, Acebutolol, Aldesleukin, Bendroflumethiazide. The full list is on the Atenolol-chlorthalidone page.
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