Drug interactions
Insulin glargine + Telmisartan
Severity: Moderate
Insulin glargine 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 increase insulin sensitivity and strengthen the glucose-lowering action of insulin glargine. Hypoglycemia can occur, especially early in combined treatment.
What this interaction means in plain words
Insulin glargine 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 glargine belongs to Endocrine; Telmisartan belongs to Cardiovascular.
Why it happens
ARBs may improve insulin sensitivity, producing additive glucose lowering; the mechanism is not fully established.
What to do
Monitor glucose more frequently after starting or changing telmisartan and reduce the insulin glargine 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?
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Other interactions of Telmisartan
- Aliskiren + Telmisartan Contraindicated
- Sparsentan + Telmisartan Contraindicated
- Amifostine + Telmisartan Major
- Amiloride + Telmisartan Major
- Amlodipine-benazepril + Telmisartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Telmisartan Major
Other interactions of Insulin glargine
Frequently asked questions
Can I take Insulin glargine with Telmisartan?
MediHelp rates the interaction as moderate. Insulin glargine 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 increase insulin sensitivity and strengthen the glucose-lowering action of insulin glargine. Hypoglycemia can occur, especially early in combined treatment.
How serious is the interaction between Insulin glargine 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 glucose more frequently after starting or changing telmisartan and reduce the insulin glargine 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.
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