Drug interactions
Insulin degludec-liraglutide + Methyclothiazide
Severity: Moderate
Insulin degludec-liraglutide and Methyclothiazide: 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 diuretics can worsen glucose tolerance and raise blood glucose in people with diabetes. This may blunt the glucose-lowering effect of the insulin degludec/liraglutide combination, particularly after starting or increasing the diuretic dose.
What this interaction means in plain words
Insulin degludec-liraglutide and Methyclothiazide 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.
Why it happens
Thiazides reduce insulin sensitivity and insulin secretion, partly through diuretic-induced hypokalemia, opposing the antihyperglycemic effect.
What to do
Monitor blood glucose and HbA1c when the thiazide is started, stopped or its dose changed, and adjust the insulin dose as needed. Check serum potassium and correct hypokalemia.
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
Frequently asked questions
Can I take Insulin degludec-liraglutide with Methyclothiazide?
MediHelp rates the interaction as moderate. Insulin degludec-liraglutide and Methyclothiazide 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 diuretics can worsen glucose tolerance and raise blood glucose in people with diabetes. This may blunt the glucose-lowering effect of the insulin degludec/liraglutide combination, particularly after starting or increasing the diuretic dose.
How serious is the interaction between Insulin degludec-liraglutide and Methyclothiazide?
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 HbA1c when the thiazide is started, stopped or its dose changed, and adjust the insulin dose as needed. Check serum potassium and correct hypokalemia.
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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