Drug interactions
Arformoterol + Isoflurane
Severity: Moderate
Arformoterol and Isoflurane: 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 QT interval, and arformoterol can cause tachycardia and hypokalemia. Isoflurane may add to arrhythmia risk during anesthesia.
What this interaction means in plain words
Arformoterol and Isoflurane 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; Isoflurane belongs to Central Nervous System.
Why it happens
Additive QT prolongation with beta-agonist-induced hypokalemia and arrhythmogenic effects.
What to do
Monitor ECG and potassium intraoperatively. Correct electrolyte abnormalities before surgery.
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 Isoflurane
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Isoflurane?
MediHelp rates the interaction as moderate. Arformoterol and Isoflurane 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 QT interval, and arformoterol can cause tachycardia and hypokalemia. Isoflurane may add to arrhythmia risk during anesthesia.
How serious is the interaction between Arformoterol and Isoflurane?
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 potassium intraoperatively. Correct electrolyte abnormalities before surgery.
What other medicines interact with Isoflurane?
MediHelp also lists interactions of Isoflurane with, for example, Adrenaline-articaine, Amisulpride, Arsenic trioxide. The full list is on the Isoflurane page.
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