Drug interactions
Arformoterol + Sorafenib
Severity: Moderate
Arformoterol and Sorafenib: 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
Sorafenib can prolong the QT interval, and arformoterol, a long-acting beta-agonist, may cause tachycardia, hypokalemia and QT effects. Together they may modestly raise arrhythmia risk.
What this interaction means in plain words
Arformoterol and Sorafenib 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; Sorafenib belongs to Oncology.
Why it happens
Additive QT prolongation, with beta-agonist-induced hypokalemia as a possible contributor.
What to do
Check baseline ECG and potassium in patients with cardiac risk factors. Monitor for palpitations and correct electrolyte abnormalities.
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 Sorafenib
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Sorafenib?
MediHelp rates the interaction as moderate. Arformoterol and Sorafenib 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. Sorafenib can prolong the QT interval, and arformoterol, a long-acting beta-agonist, may cause tachycardia, hypokalemia and QT effects. Together they may modestly raise arrhythmia risk.
How serious is the interaction between Arformoterol and Sorafenib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check baseline ECG and potassium in patients with cardiac risk factors. Monitor for palpitations and correct electrolyte abnormalities.
What other medicines interact with Sorafenib?
MediHelp also lists interactions of Sorafenib with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Sorafenib page.
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