Drug interactions
Bendroflumethiazide + Ipratropium-salbutamol
Severity: Moderate
Bendroflumethiazide and Ipratropium-salbutamol: 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
Salbutamol shifts potassium into cells and thiazide diuretics promote urinary potassium loss, so together they can produce clinically significant hypokalemia. This is most relevant with high or repeated salbutamol doses and can predispose to arrhythmias.
What this interaction means in plain words
Bendroflumethiazide and Ipratropium-salbutamol 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 beta-2 agonist-driven intracellular potassium shift and thiazide-induced renal potassium wasting.
What to do
Monitor serum potassium, especially during acute asthma or COPD exacerbations or with high-dose nebulized therapy. Replace potassium as needed and check magnesium.
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 Ipratropium-salbutamol
Frequently asked questions
Can I take Bendroflumethiazide with Ipratropium-salbutamol?
MediHelp rates the interaction as moderate. Bendroflumethiazide and Ipratropium-salbutamol 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. Salbutamol shifts potassium into cells and thiazide diuretics promote urinary potassium loss, so together they can produce clinically significant hypokalemia. This is most relevant with high or repeated salbutamol doses and can predispose to arrhythmias.
How serious is the interaction between Bendroflumethiazide and Ipratropium-salbutamol?
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 during acute asthma or COPD exacerbations or with high-dose nebulized therapy. Replace potassium as needed and check magnesium.
What other medicines interact with Ipratropium-salbutamol?
MediHelp also lists interactions of Ipratropium-salbutamol with, for example, Amisulpride, Arsenic trioxide, Carvedilol. The full list is on the Ipratropium-salbutamol page.
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