Drug interactions
Hydrochlorothiazide + Insulin detemir
Severity: Minor
Hydrochlorothiazide and Insulin detemir: 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
Hydrochlorothiazide can raise blood glucose and increase insulin requirements. Effect is dose-related and generally modest.
What this interaction means in plain words
Hydrochlorothiazide and Insulin detemir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Hydrochlorothiazide belongs to Cardiovascular; Insulin detemir belongs to Endocrine.
Why it happens
Thiazides impair insulin secretion and glucose utilization, partly through hypokalemia.
What to do
Monitor blood glucose after starting or adjusting the thiazide and adjust the insulin dose if needed.
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 Hydrochlorothiazide
Other interactions of Insulin detemir
Frequently asked questions
Can I take Hydrochlorothiazide with Insulin detemir?
MediHelp rates the interaction as minor. Hydrochlorothiazide and Insulin detemir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Hydrochlorothiazide can raise blood glucose and increase insulin requirements. Effect is dose-related and generally modest.
How serious is the interaction between Hydrochlorothiazide and Insulin detemir?
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 blood glucose after starting or adjusting the thiazide and adjust the insulin dose if needed.
What other medicines interact with Hydrochlorothiazide?
MediHelp also lists interactions of Hydrochlorothiazide with, for example, Dofetilide, Amifostine, Amiodarone. The full list is on the Hydrochlorothiazide page.
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