Drug interactions
Hydrochlorothiazide-telmisartan + Insulin regular human
Severity: Moderate
Hydrochlorothiazide-telmisartan and Insulin regular human: 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
Angiotensin receptor blockers can improve insulin sensitivity and may increase the glucose-lowering effect of insulin, raising the chance of hypoglycemia. Thiazide diuretics can work in the opposite direction by worsening glucose tolerance, so the net effect on glycemic control can vary.
What this interaction means in plain words
Hydrochlorothiazide-telmisartan and Insulin regular human 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
Telmisartan may enhance insulin sensitivity while hydrochlorothiazide can impair glucose tolerance via potassium depletion, producing unpredictable pharmacodynamic effects on glycemia.
What to do
Monitor blood glucose more frequently when starting, stopping or changing the dose of the combination product, and adjust the insulin dose as needed. Counsel the patient on recognizing hypoglycemia.
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
Frequently asked questions
Can I take Hydrochlorothiazide-telmisartan with Insulin regular human?
MediHelp rates the interaction as moderate. Hydrochlorothiazide-telmisartan and Insulin regular human 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. Angiotensin receptor blockers can improve insulin sensitivity and may increase the glucose-lowering effect of insulin, raising the chance of hypoglycemia. Thiazide diuretics can work in the opposite direction by worsening glucose tolerance, so the net effect on glycemic control can vary.
How serious is the interaction between Hydrochlorothiazide-telmisartan and Insulin regular human?
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 frequently when starting, stopping or changing the dose of the combination product, and adjust the insulin dose as needed. Counsel the patient on recognizing hypoglycemia.
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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