Drug interactions
Atenolol-chlorthalidone + Beclomethasone inhaled
Severity: Minor
Atenolol-chlorthalidone and Beclomethasone inhaled: 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
Corticosteroids can promote potassium loss, which may add to chlorthalidone-induced hypokalaemia. With inhaled beclomethasone the systemic exposure is low, so the effect is usually small.
What this interaction means in plain words
Atenolol-chlorthalidone and Beclomethasone inhaled 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
Mineralocorticoid-like activity of corticosteroids increases renal potassium excretion, adding to thiazide effects.
What to do
Monitor serum potassium periodically, mainly with high inhaled doses or other potassium-lowering drugs. No routine change is needed.
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 Atenolol-chlorthalidone
Frequently asked questions
Can I take Atenolol-chlorthalidone with Beclomethasone inhaled?
MediHelp rates the interaction as minor. Atenolol-chlorthalidone and Beclomethasone inhaled have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Corticosteroids can promote potassium loss, which may add to chlorthalidone-induced hypokalaemia. With inhaled beclomethasone the systemic exposure is low, so the effect is usually small.
How serious is the interaction between Atenolol-chlorthalidone and Beclomethasone inhaled?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum potassium periodically, mainly with high inhaled doses or other potassium-lowering drugs. No routine change is needed.
What other medicines interact with Atenolol-chlorthalidone?
MediHelp also lists interactions of Atenolol-chlorthalidone with, for example, Acebutolol, Aldesleukin, Amiodarone. The full list is on the Atenolol-chlorthalidone page.
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