Drug interactions
Encorafenib + Formoterol
Severity: Moderate
Encorafenib and Formoterol: 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 drugs can prolong the QT interval. Combined use may increase the risk of torsades de pointes, particularly with electrolyte disturbances or other QT-prolonging drugs.
What this interaction means in plain words
Encorafenib and Formoterol 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.
Encorafenib belongs to Oncology; Formoterol belongs to Respiratory.
Why it happens
Additive QTc prolongation through pharmacodynamic effects on cardiac repolarization.
What to do
Obtain a baseline ECG and monitor QTc and electrolytes (potassium, magnesium) during combined use. Correct abnormalities and reassess therapy if QTc becomes markedly prolonged.
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 Encorafenib
Frequently asked questions
Can I take Encorafenib with Formoterol?
MediHelp rates the interaction as moderate. Encorafenib and Formoterol 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 drugs can prolong the QT interval. Combined use may increase the risk of torsades de pointes, particularly with electrolyte disturbances or other QT-prolonging drugs.
How serious is the interaction between Encorafenib and Formoterol?
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 QTc and electrolytes (potassium, magnesium) during combined use. Correct abnormalities and reassess therapy if QTc becomes markedly prolonged.
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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