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Interazioni tra farmaci

Carvedilol + Theophylline

Gravità: Maggiore

Carvedilol and Theophylline: major interaction.

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Sintesi

Carvedilol is a nonselective beta-blocker and can cause bronchospasm that opposes theophylline's effect. It may also reduce theophylline clearance, raising levels and risk of toxicity.

Cosa significa questa interazione in parole semplici

Carvedilol and Theophylline 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.

Carvedilol belongs to Cardiovascular; Theophylline belongs to Respiratory.

Livello di evidenza: Moderate

Perché avviene

Beta-2 receptor antagonism opposes bronchodilation, with possible inhibition of theophylline metabolism.

Cosa fare

Avoid in patients with significant asthma or COPD; if used, monitor theophylline levels and respiratory function closely.

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 Carvedilol with Theophylline?

MediHelp rates the interaction as major. Carvedilol and Theophylline 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. Carvedilol is a nonselective beta-blocker and can cause bronchospasm that opposes theophylline's effect. It may also reduce theophylline clearance, raising levels and risk of toxicity.

How serious is the interaction between Carvedilol and Theophylline?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid in patients with significant asthma or COPD; if used, monitor theophylline levels and respiratory function closely.

What other medicines interact with Theophylline?

MediHelp also lists interactions of Theophylline with, for example, Riociguat, Adenosine, Apalutamide. The full list is on the Theophylline page.

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