Drug interactions
Arformoterol + Voriconazole
Severity: Moderate
Arformoterol and Voriconazole: 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
Voriconazole can prolong the QT interval and arformoterol, a long-acting beta-agonist, may cause hypokalemia and QT prolongation. Combined use may raise arrhythmia risk in susceptible patients.
What this interaction means in plain words
Arformoterol and Voriconazole 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; Voriconazole belongs to Anti Fungals.
Why it happens
Additive QTc prolongation, with beta-agonist-induced hypokalemia.
What to do
Monitor ECG and serum potassium in patients with cardiac disease or other QT-prolonging drugs. Replace potassium and magnesium as needed.
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 Voriconazole
- Avanafil + Voriconazole Contraindicated
- Butabarbital + Voriconazole Contraindicated
- Carbamazepine + Voriconazole Contraindicated
- Conivaptan + Voriconazole Contraindicated
- Dihydroergotamine intranasal + Voriconazole Contraindicated
- Dihydroergotamine + Voriconazole Contraindicated
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Voriconazole?
MediHelp rates the interaction as moderate. Arformoterol and Voriconazole 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. Voriconazole can prolong the QT interval and arformoterol, a long-acting beta-agonist, may cause hypokalemia and QT prolongation. Combined use may raise arrhythmia risk in susceptible patients.
How serious is the interaction between Arformoterol and Voriconazole?
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 ECG and serum potassium in patients with cardiac disease or other QT-prolonging drugs. Replace potassium and magnesium as needed.
What other medicines interact with Voriconazole?
MediHelp also lists interactions of Voriconazole with, for example, Avanafil, Butabarbital, Carbamazepine. The full list is on the Voriconazole page.
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