Drug interactions
Fexinidazole + Salbutamol
Severity: Major
Fexinidazole and Salbutamol: major 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 drugs can prolong the QT interval, and salbutamol can also lower serum potassium, which adds to the risk of torsades de pointes. The risk is higher with high-dose or nebulized salbutamol.
What this interaction means in plain words
Fexinidazole and Salbutamol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive QT prolongation with beta-agonist-induced hypokalemia.
What to do
Avoid the combination if possible; otherwise check ECG, potassium, and magnesium and correct abnormalities.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Salbutamol
Frequently asked questions
Can I take Fexinidazole with Salbutamol?
MediHelp rates the interaction as major. Fexinidazole and Salbutamol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs can prolong the QT interval, and salbutamol can also lower serum potassium, which adds to the risk of torsades de pointes. The risk is higher with high-dose or nebulized salbutamol.
How serious is the interaction between Fexinidazole and Salbutamol?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination if possible; otherwise check ECG, potassium, and magnesium and correct abnormalities.
What other medicines interact with Salbutamol?
MediHelp also lists interactions of Salbutamol with, for example, Arsenic trioxide, Carvedilol, Droperidol. The full list is on the Salbutamol page.
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