Drug interactions
Atenolol-chlorthalidone + Bismuth subsalicylate
Severity: Minor
Atenolol-chlorthalidone and Bismuth subsalicylate: 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
Bismuth subsalicylate releases salicylate, which at usual short-term doses has limited effect on antihypertensive therapy. Higher or prolonged doses may blunt beta-blocker and diuretic effects and affect renal function.
What this interaction means in plain words
Atenolol-chlorthalidone and Bismuth subsalicylate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Atenolol-chlorthalidone belongs to Cardiovascular; Bismuth subsalicylate belongs to Gastrointestinal Tract.
Why it happens
Absorbed salicylate inhibits prostaglandin synthesis, which may cause sodium retention and reduce antihypertensive effects.
What to do
Limit use to short courses at labeled doses, and monitor blood pressure if used repeatedly.
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
Other interactions of Bismuth subsalicylate
- Bismuth subsalicylate + Dichlorphenamide Major
- Bismuth subsalicylate + Warfarin Major
- Acetylsalicylic acid + Bismuth subsalicylate Moderate
- Amlodipine-benazepril + Bismuth subsalicylate Moderate
- Aspirin / citric acid / sodium bicarbonate + Bismuth subsalicylate Moderate
- Aspirin rectal + Bismuth subsalicylate Moderate
Frequently asked questions
Can I take Atenolol-chlorthalidone with Bismuth subsalicylate?
MediHelp rates the interaction as minor. Atenolol-chlorthalidone and Bismuth subsalicylate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Bismuth subsalicylate releases salicylate, which at usual short-term doses has limited effect on antihypertensive therapy. Higher or prolonged doses may blunt beta-blocker and diuretic effects and affect renal function.
How serious is the interaction between Atenolol-chlorthalidone and Bismuth subsalicylate?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit use to short courses at labeled doses, and monitor blood pressure if used repeatedly.
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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