Drug interactions
Budesonide-formoterol + Torsemide
Severity: Moderate
Budesonide-formoterol 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
Both formoterol and the loop diuretic torsemide can lower serum potassium. Combined use may cause clinically relevant hypokalemia, which can predispose to arrhythmias, particularly with high formoterol doses.
What this interaction means in plain words
Budesonide-formoterol 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.
Budesonide-formoterol belongs to Respiratory; Torsemide belongs to Cardiovascular.
Why it happens
Additive hypokalemia from beta2-mediated potassium shift into cells and renal potassium loss from loop diuresis.
What to do
Monitor serum potassium and magnesium, especially at initiation and during dose changes. 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 Budesonide-formoterol
Other interactions of Torsemide
Frequently asked questions
Can I take Budesonide-formoterol with Torsemide?
MediHelp rates the interaction as moderate. Budesonide-formoterol 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. Both formoterol and the loop diuretic torsemide can lower serum potassium. Combined use may cause clinically relevant hypokalemia, which can predispose to arrhythmias, particularly with high formoterol doses.
How serious is the interaction between Budesonide-formoterol 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 and magnesium, especially at initiation and during dose changes. Replace potassium as needed.
What other medicines interact with Budesonide-formoterol?
MediHelp also lists interactions of Budesonide-formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Budesonide-formoterol page.
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