Does Lithium Interact With Telmisartan?

Lithium: Reversible increases in serum lithium concentrations and toxicity have been reported during concomitant administration of lithium with angiotensin II receptor antagonists including telmisartan.

Severity: Minor

Severity basis: drug interactions section. Combining Lithium (Mood stabilizer) and Telmisartan (Angiotensin receptor blocker (ARB)) is classified as a minor interaction.

What to Do

This is generally a minor interaction, but review it with your pharmacist to be sure it is safe for you.

From the FDA Label

Lithium: Reversible increases in serum lithium concentrations and toxicity have been reported during concomitant administration of lithium with angiotensin II receptor antagonists including telmisartan.

Source: FDA structured product labeling (set_id 09d31eee-cd22-4918-a889-3eb4d2969525).

Lithium

Mood stabilizer

Brands: Lithobid, Eskalith

View Lithium safety profile

Telmisartan

Angiotensin receptor blocker (ARB)

Brands: Micardis

View Telmisartan safety profile

Check these against your full medication list in our free Interaction Checker

This information is educational — not medical advice.

This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.

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