Drug interactions
Chlorthalidone + Fenbufen
Severity: Minor
Chlorthalidone and Fenbufen: 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
Chlorthalidone may slightly reduce renal clearance of fenbufen's acidic metabolites, but the clinical effect is minor. More relevant is that NSAIDs can blunt thiazide diuretic effect and affect kidney function.
What this interaction means in plain words
Chlorthalidone and Fenbufen 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
Theoretical competition for renal tubular anionic secretion; NSAID prostaglandin inhibition may also reduce diuretic effect.
What to do
Monitor blood pressure and renal function if used together long term.
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 Chlorthalidone
Frequently asked questions
Can I take Chlorthalidone with Fenbufen?
MediHelp rates the interaction as minor. Chlorthalidone and Fenbufen have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Chlorthalidone may slightly reduce renal clearance of fenbufen's acidic metabolites, but the clinical effect is minor. More relevant is that NSAIDs can blunt thiazide diuretic effect and affect kidney function.
How serious is the interaction between Chlorthalidone and Fenbufen?
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 blood pressure and renal function if used together long term.
What other medicines interact with Chlorthalidone?
MediHelp also lists interactions of Chlorthalidone with, for example, Amifostine, Atenolol-chlorthalidone, Candesartan-hydrochlorothiazide. The full list is on the Chlorthalidone page.
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