Drug interactions
Chlorthalidone + Liraglutide
Severity: Moderate
Chlorthalidone and Liraglutide: 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 can impair glucose tolerance and may modestly blunt the glucose-lowering effect of liraglutide. Fluid loss from vomiting or diarrhea caused by liraglutide can also add to diuretic-related volume depletion and renal risk.
What this interaction means in plain words
Chlorthalidone and Liraglutide 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.
Chlorthalidone belongs to Cardiovascular; Liraglutide belongs to Endocrine.
Why it happens
Thiazide-induced reduction in insulin sensitivity and secretion (partly via hypokalemia) opposes incretin-mediated glycemic control.
What to do
Monitor blood glucose or HbA1c when starting, stopping or changing the chlorthalidone dose and adjust antidiabetic therapy as needed. Counsel on hydration and review renal function if gastrointestinal losses occur.
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 Chlorthalidone
Other interactions of Liraglutide
Frequently asked questions
Can I take Chlorthalidone with Liraglutide?
MediHelp rates the interaction as moderate. Chlorthalidone and Liraglutide 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 can impair glucose tolerance and may modestly blunt the glucose-lowering effect of liraglutide. Fluid loss from vomiting or diarrhea caused by liraglutide can also add to diuretic-related volume depletion and renal risk.
How serious is the interaction between Chlorthalidone and Liraglutide?
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 or HbA1c when starting, stopping or changing the chlorthalidone dose and adjust antidiabetic therapy as needed. Counsel on hydration and review renal function if gastrointestinal losses occur.
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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