Drug interactions
Albuterol + Quinidine
Severity: Moderate
Albuterol and Quinidine: 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
Quinidine prolongs the QT interval, while albuterol can cause hypokalemia, tachycardia and a mild QT increase at higher doses. Together they may raise the risk of arrhythmia.
What this interaction means in plain words
Albuterol and Quinidine 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 effects, with beta-agonist-induced hypokalemia increasing quinidine proarrhythmia.
What to do
Monitor heart rate, ECG and potassium, especially with high or frequent albuterol doses. Correct hypokalemia 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 Quinidine
- Adagrasib + Quinidine Contraindicated
- Arsenic trioxide + Quinidine Contraindicated
- Artemether / lumefantrine + Quinidine Contraindicated
- Chloroquine + Quinidine Contraindicated
- Dofetilide + Quinidine Contraindicated
- Dronedarone + Quinidine Contraindicated
Frequently asked questions
Can I take Albuterol with Quinidine?
MediHelp rates the interaction as moderate. Albuterol and Quinidine 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. Quinidine prolongs the QT interval, while albuterol can cause hypokalemia, tachycardia and a mild QT increase at higher doses. Together they may raise the risk of arrhythmia.
How serious is the interaction between Albuterol and Quinidine?
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 heart rate, ECG and potassium, especially with high or frequent albuterol doses. Correct hypokalemia promptly.
What other medicines interact with Quinidine?
MediHelp also lists interactions of Quinidine with, for example, Adagrasib, Arsenic trioxide, Artemether / lumefantrine. The full list is on the Quinidine page.
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