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Disopyramide + Lidocaine

Gravità: Maggiore

Disopyramide and Lidocaine: major interaction.

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Sintesi

Both are class I antiarrhythmics with negative inotropic and conduction-slowing effects. Together they may cause additive myocardial depression, conduction block, proarrhythmia or worsening heart failure, particularly with structural heart disease.

Cosa significa questa interazione in parole semplici

Disopyramide and Lidocaine 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.

Disopyramide belongs to Cardiovascular; Lidocaine belongs to Cardiovascular.

Livello di evidenza: Low

Perché avviene

Additive sodium channel blockade and negative inotropy.

Cosa fare

Use with continuous ECG and hemodynamic monitoring, and avoid in patients with heart failure or conduction disease. Reduce doses and stop if QRS widening or hypotension occurs.

Cosa chiedere al farmacista

  • 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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Domande frequenti

Can I take Disopyramide with Lidocaine?

MediHelp rates the interaction as major. Disopyramide and Lidocaine 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 are class I antiarrhythmics with negative inotropic and conduction-slowing effects. Together they may cause additive myocardial depression, conduction block, proarrhythmia or worsening heart failure, particularly with structural heart disease.

How serious is the interaction between Disopyramide and Lidocaine?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use with continuous ECG and hemodynamic monitoring, and avoid in patients with heart failure or conduction disease. Reduce doses and stop if QRS widening or hypotension occurs.

What other medicines interact with Lidocaine?

MediHelp also lists interactions of Lidocaine with, for example, Bupivacaine liposome, Ex vivo expanded autologous human corneal epithelial cells containing stem cells, Nirmatrelvir / ritonavir. The full list is on the Lidocaine page.

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