Drug interactions
Bitter melon + Chlorthalidone
Severity: Minor
Bitter melon and Chlorthalidone: 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
Bitter melon has been reported to have potassium-lowering and diuretic-like properties in some preparations, which may add to chlorthalidone-induced hypokalemia. It also lowers blood glucose, which may be relevant to thiazide-related glucose changes. Evidence is limited.
What this interaction means in plain words
Bitter melon and Chlorthalidone 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
Possible additive potassium loss and glucose effects; the mechanism is not well established.
What to do
Monitor serum potassium and blood glucose if bitter melon is used regularly with chlorthalidone.
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 Bitter melon with Chlorthalidone?
MediHelp rates the interaction as minor. Bitter melon and Chlorthalidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Bitter melon has been reported to have potassium-lowering and diuretic-like properties in some preparations, which may add to chlorthalidone-induced hypokalemia. It also lowers blood glucose, which may be relevant to thiazide-related glucose changes. Evidence is limited.
How serious is the interaction between Bitter melon and Chlorthalidone?
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 and blood glucose if bitter melon is used regularly with chlorthalidone.
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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