Drug interactions
Arformoterol + Eribulin
Severity: Moderate
Arformoterol and Eribulin: 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
Both agents can prolong the QTc interval, and arformoterol may lower potassium. Combined use may raise the risk of ventricular arrhythmias.
What this interaction means in plain words
Arformoterol and Eribulin 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; Eribulin belongs to Oncology.
Why it happens
Additive QT prolongation, with beta-agonist-induced hypokalemia.
What to do
Obtain a baseline ECG and monitor electrolytes, correcting potassium and magnesium. Reassess if the patient has palpitations or syncope.
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 Eribulin
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Eribulin?
MediHelp rates the interaction as moderate. Arformoterol and Eribulin 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. Both agents can prolong the QTc interval, and arformoterol may lower potassium. Combined use may raise the risk of ventricular arrhythmias.
How serious is the interaction between Arformoterol and Eribulin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and monitor electrolytes, correcting potassium and magnesium. Reassess if the patient has palpitations or syncope.
What other medicines interact with Eribulin?
MediHelp also lists interactions of Eribulin with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Eribulin page.
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