Drug interactions
Chlorthalidone + Insulin degludec-liraglutide
Severity: Moderate
Chlorthalidone and Insulin degludec-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
Chlorthalidone can raise blood glucose and reduce glucose tolerance, which may weaken the effect of insulin degludec-liraglutide. The effect is most noticeable at higher diuretic doses and when therapy starts.
What this interaction means in plain words
Chlorthalidone and Insulin degludec-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; Insulin degludec-liraglutide belongs to Endocrine.
Why it happens
Thiazide-type diuretics reduce insulin sensitivity and secretion, partly through hypokalemia, opposing antidiabetic action.
What to do
Monitor blood glucose and potassium when chlorthalidone is started or its dose is increased, and adjust the antidiabetic therapy if control worsens.
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 Insulin degludec-liraglutide
Other interactions of Chlorthalidone
Frequently asked questions
Can I take Chlorthalidone with Insulin degludec-liraglutide?
MediHelp rates the interaction as moderate. Chlorthalidone and Insulin degludec-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 can raise blood glucose and reduce glucose tolerance, which may weaken the effect of insulin degludec-liraglutide. The effect is most noticeable at higher diuretic doses and when therapy starts.
How serious is the interaction between Chlorthalidone and Insulin degludec-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 and potassium when chlorthalidone is started or its dose is increased, and adjust the antidiabetic therapy if control worsens.
What other medicines interact with Insulin degludec-liraglutide?
MediHelp also lists interactions of Insulin degludec-liraglutide with, for example, Albiglutide, Chlorpropamide, Clozapine. The full list is on the Insulin degludec-liraglutide page.
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