Drug interactions
Arformoterol + Carvedilol
Severity: Major
Arformoterol and Carvedilol: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Carvedilol can block the bronchodilator effect of arformoterol, leading to reduced symptom relief or bronchospasm in patients with obstructive airway disease. Beta-agonist efficacy may be substantially diminished.
What this interaction means in plain words
Arformoterol and Carvedilol 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.
Arformoterol belongs to Respiratory; Carvedilol belongs to Cardiovascular.
Why it happens
Non-selective beta-blockade antagonizes beta-2 receptor stimulation by arformoterol.
What to do
Avoid the combination where possible and prefer a cardioselective beta-blocker in patients with reactive airway disease. Monitor respiratory status if both are required.
What to ask your pharmacist
- 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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Other interactions of Carvedilol
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Carvedilol?
MediHelp rates the interaction as major. Arformoterol and Carvedilol 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 can block the bronchodilator effect of arformoterol, leading to reduced symptom relief or bronchospasm in patients with obstructive airway disease. Beta-agonist efficacy may be substantially diminished.
How serious is the interaction between Arformoterol and Carvedilol?
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 the combination where possible and prefer a cardioselective beta-blocker in patients with reactive airway disease. Monitor respiratory status if both are required.
What other medicines interact with Carvedilol?
MediHelp also lists interactions of Carvedilol with, for example, Albuterol, Amifostine, Amiodarone. The full list is on the Carvedilol page.
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