Drug interactions
Formoterol + Telavancin
Severity: Moderate
Formoterol 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 can prolong the QTc interval, and formoterol may contribute QTc effects, tachycardia and hypokalemia. The combination may raise arrhythmia risk, particularly in patients with cardiac disease or electrolyte disturbance.
What this interaction means in plain words
Formoterol 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.
Formoterol belongs to Respiratory; Telavancin belongs to Anti Bacterial.
Why it happens
Additive QT prolongation with beta2-agonist-induced hypokalemia.
What to do
Correct potassium and magnesium and obtain an ECG in patients with cardiac risk factors or other QT-prolonging drugs.
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 Formoterol
- Adagrasib + Formoterol Major
- Amiodarone + Formoterol Major
- Amisulpride + Formoterol Major
- Amitriptyline + Formoterol Major
- Amoxapine + Formoterol Major
- Arformoterol + Formoterol Major
Other interactions of Telavancin
- Telavancin + Thioridazine Contraindicated
- Adagrasib + Telavancin Major
- Amiodarone + Telavancin Major
- Amisulpride + Telavancin Major
- Anagrelide + Telavancin Major
- Arsenic trioxide + Telavancin Major
Frequently asked questions
Can I take Formoterol with Telavancin?
MediHelp rates the interaction as moderate. Formoterol 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 can prolong the QTc interval, and formoterol may contribute QTc effects, tachycardia and hypokalemia. The combination may raise arrhythmia risk, particularly in patients with cardiac disease or electrolyte disturbance.
How serious is the interaction between Formoterol 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: Correct potassium and magnesium and obtain an ECG in patients with cardiac risk factors or other QT-prolonging drugs.
What other medicines interact with Formoterol?
MediHelp also lists interactions of Formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Formoterol page.
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