Drug interactions
Carbenoxolone + Pirbuterol
Severity: Moderate
Carbenoxolone and Pirbuterol: 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
Carbenoxolone has mineralocorticoid-like activity that promotes renal potassium loss, and pirbuterol can shift potassium into cells. The combination may cause additive hypokalemia with a risk of arrhythmia, especially in patients with cardiac disease.
What this interaction means in plain words
Carbenoxolone and Pirbuterol 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 hypokalemia from mineralocorticoid-like renal potassium wasting plus beta-2 mediated intracellular potassium shift.
What to do
Monitor serum potassium regularly and replace potassium as needed. Avoid the combination in patients with arrhythmia risk if possible.
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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Frequently asked questions
Can I take Carbenoxolone with Pirbuterol?
MediHelp rates the interaction as moderate. Carbenoxolone and Pirbuterol 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. Carbenoxolone has mineralocorticoid-like activity that promotes renal potassium loss, and pirbuterol can shift potassium into cells. The combination may cause additive hypokalemia with a risk of arrhythmia, especially in patients with cardiac disease.
How serious is the interaction between Carbenoxolone and Pirbuterol?
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 regularly and replace potassium as needed. Avoid the combination in patients with arrhythmia risk if possible.
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