Drug interactions
Fluphenazine + Indacaterol inhaled
Severity: Moderate
Fluphenazine and Indacaterol inhaled: 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
Fluphenazine can prolong the QT interval, and beta2-agonists such as indacaterol can cause hypokalemia and increase heart rate. Together they may raise the risk of ventricular arrhythmias, especially in patients with existing cardiac disease or electrolyte disturbances.
What this interaction means in plain words
Fluphenazine and Indacaterol inhaled 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.
Why it happens
Additive QT prolongation, with beta2-agonist induced hypokalemia and cardiac stimulation increasing arrhythmia susceptibility.
What to do
Check serum potassium and magnesium and obtain a baseline ECG in patients with cardiac risk factors. Monitor for palpitations or syncope and avoid other QT-prolonging drugs where possible.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Fluphenazine and Indacaterol inhaled, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Fluphenazine
- Arsenic trioxide + Fluphenazine Contraindicated
- Dofetilide + Fluphenazine Contraindicated
- Fluphenazine + Ibutilide Contraindicated
- Fluphenazine + Pimozide Contraindicated
- Adagrasib + Fluphenazine Major
- Alfentanil + Fluphenazine Major
Frequently asked questions
Can I take Fluphenazine with Indacaterol inhaled?
MediHelp rates the interaction as moderate. Fluphenazine and Indacaterol inhaled 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. Fluphenazine can prolong the QT interval, and beta2-agonists such as indacaterol can cause hypokalemia and increase heart rate. Together they may raise the risk of ventricular arrhythmias, especially in patients with existing cardiac disease or electrolyte disturbances.
How serious is the interaction between Fluphenazine and Indacaterol inhaled?
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 serum potassium and magnesium and obtain a baseline ECG in patients with cardiac risk factors. Monitor for palpitations or syncope and avoid other QT-prolonging drugs where possible.
What other medicines interact with Fluphenazine?
MediHelp also lists interactions of Fluphenazine with, for example, Arsenic trioxide, Dofetilide, Ibutilide. The full list is on the Fluphenazine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
