Skip to content

Drug interactions

Insulin detemir + Telmisartan

Severity: Moderate

Insulin detemir and Telmisartan: 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

Telmisartan may improve insulin sensitivity and enhance the glucose-lowering effect of insulin detemir. This can lead to hypoglycemia, mainly after starting the ARB.

What this interaction means in plain words

Insulin detemir and Telmisartan 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.

Insulin detemir belongs to Endocrine; Telmisartan belongs to Cardiovascular.

Evidence level: Low

Why it happens

ARBs may improve insulin sensitivity, producing additive glucose lowering; the mechanism is not fully established.

What to do

Monitor blood glucose more closely when telmisartan is started or adjusted and reduce the insulin dose if hypoglycemia occurs.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Insulin detemir and Telmisartan, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Insulin detemir with Telmisartan?

MediHelp rates the interaction as moderate. Insulin detemir and Telmisartan 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. Telmisartan may improve insulin sensitivity and enhance the glucose-lowering effect of insulin detemir. This can lead to hypoglycemia, mainly after starting the ARB.

How serious is the interaction between Insulin detemir and Telmisartan?

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 closely when telmisartan is started or adjusted and reduce the insulin dose if hypoglycemia occurs.

What other medicines interact with Telmisartan?

MediHelp also lists interactions of Telmisartan with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Telmisartan page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in