Drug interactions
Metaproterenol + Torsemide
Severity: Moderate
Metaproterenol and Torsemide: 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
Metaproterenol can lower serum potassium, and with torsemide the effect may be additive. Significant hypokalemia can promote arrhythmias.
What this interaction means in plain words
Metaproterenol and Torsemide 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
Beta2-mediated cellular potassium uptake plus loop diuretic urinary potassium loss.
What to do
Monitor serum potassium, especially with high-dose or frequent beta-agonist use. Replace potassium as needed.
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 Torsemide
Frequently asked questions
Can I take Metaproterenol with Torsemide?
MediHelp rates the interaction as moderate. Metaproterenol and Torsemide 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. Metaproterenol can lower serum potassium, and with torsemide the effect may be additive. Significant hypokalemia can promote arrhythmias.
How serious is the interaction between Metaproterenol and Torsemide?
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 serum potassium, especially with high-dose or frequent beta-agonist use. Replace potassium as needed.
What other medicines interact with Torsemide?
MediHelp also lists interactions of Torsemide with, for example, Amikacin, Amiodarone, Carbenoxolone. The full list is on the Torsemide page.
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