Drug interactions
Foscarnet + Salbutamol
Severity: Moderate
Foscarnet and 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
Foscarnet can cause QT prolongation along with hypokalemia, hypomagnesemia and hypocalcemia. Salbutamol may lower potassium further and add to arrhythmia risk.
What this interaction means in plain words
Foscarnet and 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.
Foscarnet belongs to Anti Virals; Salbutamol belongs to Respiratory.
Why it happens
Additive QT prolongation and electrolyte depletion.
What to do
Monitor potassium, magnesium and calcium and ECG during foscarnet therapy. Replace electrolytes promptly.
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 Salbutamol
Other interactions of Foscarnet
- Cidofovir + Foscarnet Contraindicated
- Foscarnet + Pimozide Contraindicated
- Foscarnet + Thioridazine Contraindicated
- Foscarnet + Vandetanib Contraindicated
- Adagrasib + Foscarnet Major
- Adefovir + Foscarnet Major
Frequently asked questions
Can I take Foscarnet with Salbutamol?
MediHelp rates the interaction as moderate. Foscarnet and 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. Foscarnet can cause QT prolongation along with hypokalemia, hypomagnesemia and hypocalcemia. Salbutamol may lower potassium further and add to arrhythmia risk.
How serious is the interaction between Foscarnet and 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 potassium, magnesium and calcium and ECG during foscarnet therapy. Replace electrolytes promptly.
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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