Drug interactions
Foscarnet + Indacaterol inhaled
Severity: Moderate
Foscarnet 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
Foscarnet may prolong the QT interval and lower serum minerals, while indacaterol, a beta2 agonist, can cause tachycardia, hypokalemia and QT effects. Together they may increase the risk of ventricular arrhythmias, particularly in patients with cardiac disease.
What this interaction means in plain words
Foscarnet 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 and beta2-agonist-related hypokalemia and cardiac stimulation.
What to do
Monitor ECG and serum potassium, magnesium and calcium during co-therapy. Correct electrolyte abnormalities promptly and review for other QT-prolonging drugs.
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 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 Indacaterol inhaled?
MediHelp rates the interaction as moderate. Foscarnet 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. Foscarnet may prolong the QT interval and lower serum minerals, while indacaterol, a beta2 agonist, can cause tachycardia, hypokalemia and QT effects. Together they may increase the risk of ventricular arrhythmias, particularly in patients with cardiac disease.
How serious is the interaction between Foscarnet 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: Monitor ECG and serum potassium, magnesium and calcium during co-therapy. Correct electrolyte abnormalities promptly and review for other QT-prolonging drugs.
What other medicines interact with Foscarnet?
MediHelp also lists interactions of Foscarnet with, for example, Cidofovir, Pimozide, Thioridazine. The full list is on the Foscarnet page.
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