Drug interactions
Fluphenazine + Ipratropium-salbutamol
Severity: Moderate
Fluphenazine and Ipratropium-salbutamol: 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 is a phenothiazine antipsychotic that can prolong the QT interval and has anticholinergic activity. Salbutamol may add to arrhythmia risk through tachycardia and hypokalemia, and ipratropium may add minor anticholinergic effects. The overall risk is mostly relevant in patients with other QT risk factors or when salbutamol is used at high doses.
What this interaction means in plain words
Fluphenazine and Ipratropium-salbutamol 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 belongs to Central Nervous System; Ipratropium-salbutamol belongs to Respiratory.
Why it happens
Additive QT prolongation and tachycardia, plus additive antimuscarinic effects from ipratropium with limited systemic exposure.
What to do
Monitor ECG and potassium in patients with additional QT risk factors, and limit salbutamol to the lowest effective dose. Watch for anticholinergic effects such as constipation and urinary retention.
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 Ipratropium-salbutamol
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 Ipratropium-salbutamol?
MediHelp rates the interaction as moderate. Fluphenazine and Ipratropium-salbutamol 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 is a phenothiazine antipsychotic that can prolong the QT interval and has anticholinergic activity. Salbutamol may add to arrhythmia risk through tachycardia and hypokalemia, and ipratropium may add minor anticholinergic effects. The overall risk is mostly relevant in patients with other QT risk factors or when salbutamol is used at high doses.
How serious is the interaction between Fluphenazine and Ipratropium-salbutamol?
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 in patients with additional QT risk factors, and limit salbutamol to the lowest effective dose. Watch for anticholinergic effects such as constipation and urinary retention.
What other medicines interact with Ipratropium-salbutamol?
MediHelp also lists interactions of Ipratropium-salbutamol with, for example, Amisulpride, Arsenic trioxide, Carvedilol. The full list is on the Ipratropium-salbutamol page.
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