Drug interactions
Albuterol + Granisetron
Severity: Minor
Albuterol and Granisetron: minor 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
Granisetron can cause small, dose-related prolongation of the QT interval, and high-dose or systemic albuterol can add to this through beta-agonist-induced hypokalemia and tachycardia. The combined effect is generally modest but may matter in patients with other arrhythmia risk factors.
What this interaction means in plain words
Albuterol and Granisetron have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Additive QT-prolonging effects, with beta-2 agonist-induced hypokalemia and sympathetic stimulation increasing proarrhythmic susceptibility.
What to do
Check potassium and magnesium in patients with additional QT risk factors or on frequent high-dose albuterol. Obtain an ECG if the patient has cardiac disease or other QT-prolonging drugs.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Granisetron
- Apomorphine + Granisetron Contraindicated
- Amiodarone + Granisetron Major
- Amisulpride + Granisetron Major
- Arsenic trioxide + Granisetron Major
- Artemether / lumefantrine + Granisetron Major
- Artemether + Granisetron Major
Frequently asked questions
Can I take Albuterol with Granisetron?
MediHelp rates the interaction as minor. Albuterol and Granisetron have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Granisetron can cause small, dose-related prolongation of the QT interval, and high-dose or systemic albuterol can add to this through beta-agonist-induced hypokalemia and tachycardia. The combined effect is generally modest but may matter in patients with other arrhythmia risk factors.
How serious is the interaction between Albuterol and Granisetron?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check potassium and magnesium in patients with additional QT risk factors or on frequent high-dose albuterol. Obtain an ECG if the patient has cardiac disease or other QT-prolonging drugs.
What other medicines interact with Granisetron?
MediHelp also lists interactions of Granisetron with, for example, Apomorphine, Amiodarone, Amisulpride. The full list is on the Granisetron page.
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