Drug interactions
Arformoterol + Telavancin
Severity: Moderate
Arformoterol and Telavancin: moderate 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
Telavancin may prolong the QTc interval and long-acting beta-agonists like arformoterol can also affect QT and lower potassium. The combination may increase the risk of ventricular arrhythmias in susceptible patients.
What this interaction means in plain words
Arformoterol and Telavancin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Arformoterol belongs to Respiratory; Telavancin belongs to Anti Bacterial.
Why it happens
Additive QT prolongation, with beta2-agonist-related hypokalemia and tachycardia.
What to do
Monitor potassium, magnesium and ECG in patients with heart disease or other QT risk factors. Correct electrolyte abnormalities promptly.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Telavancin
- Telavancin + Thioridazine Contraindicated
- Adagrasib + Telavancin Major
- Amiodarone + Telavancin Major
- Amisulpride + Telavancin Major
- Anagrelide + Telavancin Major
- Arsenic trioxide + Telavancin Major
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Telavancin?
MediHelp rates the interaction as moderate. Arformoterol and Telavancin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Telavancin may prolong the QTc interval and long-acting beta-agonists like arformoterol can also affect QT and lower potassium. The combination may increase the risk of ventricular arrhythmias in susceptible patients.
How serious is the interaction between Arformoterol and Telavancin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor potassium, magnesium and ECG in patients with heart disease or other QT risk factors. Correct electrolyte abnormalities promptly.
What other medicines interact with Telavancin?
MediHelp also lists interactions of Telavancin with, for example, Thioridazine, Adagrasib, Amiodarone. The full list is on the Telavancin page.
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