Drug interactions
Canagliflozin-metformin + Chlorthalidone
Severity: Moderate
Canagliflozin-metformin and Chlorthalidone: 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
Thiazide-type diuretics such as chlorthalidone can raise blood glucose, particularly at higher doses, and may weaken glycemic control. Volume depletion may also add to the effect of canagliflozin on blood pressure and renal function.
What this interaction means in plain words
Canagliflozin-metformin and Chlorthalidone 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.
Canagliflozin-metformin belongs to Endocrine; Chlorthalidone belongs to Cardiovascular.
Why it happens
Thiazide-induced hypokalemia and reduced insulin sensitivity or secretion oppose antidiabetic action; additive diuresis occurs with canagliflozin.
What to do
Monitor blood glucose, electrolytes, volume status, and renal function after starting chlorthalidone. Adjust diabetes therapy and diuretic dose as needed.
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 Canagliflozin-metformin
Other interactions of Chlorthalidone
Frequently asked questions
Can I take Canagliflozin-metformin with Chlorthalidone?
MediHelp rates the interaction as moderate. Canagliflozin-metformin and Chlorthalidone 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. Thiazide-type diuretics such as chlorthalidone can raise blood glucose, particularly at higher doses, and may weaken glycemic control. Volume depletion may also add to the effect of canagliflozin on blood pressure and renal function.
How serious is the interaction between Canagliflozin-metformin and Chlorthalidone?
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 blood glucose, electrolytes, volume status, and renal function after starting chlorthalidone. Adjust diabetes therapy and diuretic dose as needed.
What other medicines interact with Canagliflozin-metformin?
MediHelp also lists interactions of Canagliflozin-metformin with, for example, Contrast media, Diatrizoate, Diatrizoate meglumine / diatrizoate. The full list is on the Canagliflozin-metformin page.
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