Drug interactions
Fluphenazine + Olodaterol inhaled
Severity: Moderate
Fluphenazine and Olodaterol 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 olodaterol, like other beta2-agonists, may cause tachycardia and hypokalemia. Together they could raise the risk of ventricular arrhythmias, especially in patients with heart disease.
What this interaction means in plain words
Fluphenazine and Olodaterol 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.
What to do
Check potassium and magnesium and consider an ECG in patients with cardiac risk factors. Avoid additional 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?
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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 Olodaterol inhaled?
MediHelp rates the interaction as moderate. Fluphenazine and Olodaterol 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 olodaterol, like other beta2-agonists, may cause tachycardia and hypokalemia. Together they could raise the risk of ventricular arrhythmias, especially in patients with heart disease.
How serious is the interaction between Fluphenazine and Olodaterol 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 potassium and magnesium and consider an ECG in patients with cardiac risk factors. Avoid additional 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.
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