Drug interactions
Hydrochlorothiazide-telmisartan + Insulin detemir
Severity: Moderate
Hydrochlorothiazide-telmisartan and Insulin detemir: 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
ARBs may improve insulin sensitivity and can enhance the glucose-lowering effect of insulin, increasing the chance of hypoglycemia. Hydrochlorothiazide can work in the opposite direction by worsening glucose control, so the net effect varies.
What this interaction means in plain words
Hydrochlorothiazide-telmisartan and Insulin detemir 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.
Hydrochlorothiazide-telmisartan belongs to Cardiovascular; Insulin detemir belongs to Endocrine.
Why it happens
ARBs may increase insulin sensitivity, whereas thiazides can impair glucose tolerance through hypokalemia and reduced insulin secretion.
What to do
Monitor blood glucose more often when starting or stopping the combination. Adjust the insulin dose according to readings.
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 Hydrochlorothiazide-telmisartan
- Aliskiren + Hydrochlorothiazide-telmisartan Contraindicated
- Dofetilide + Hydrochlorothiazide-telmisartan Contraindicated
- Hydrochlorothiazide-telmisartan + Sparsentan Contraindicated
- Aldesleukin + Hydrochlorothiazide-telmisartan Major
- Amifostine + Hydrochlorothiazide-telmisartan Major
- Amiloride + Hydrochlorothiazide-telmisartan Major
Other interactions of Insulin detemir
Frequently asked questions
Can I take Hydrochlorothiazide-telmisartan with Insulin detemir?
MediHelp rates the interaction as moderate. Hydrochlorothiazide-telmisartan and Insulin detemir 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. ARBs may improve insulin sensitivity and can enhance the glucose-lowering effect of insulin, increasing the chance of hypoglycemia. Hydrochlorothiazide can work in the opposite direction by worsening glucose control, so the net effect varies.
How serious is the interaction between Hydrochlorothiazide-telmisartan and Insulin detemir?
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 more often when starting or stopping the combination. Adjust the insulin dose according to readings.
What other medicines interact with Hydrochlorothiazide-telmisartan?
MediHelp also lists interactions of Hydrochlorothiazide-telmisartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-telmisartan page.
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