Lithium and Telmisartan and amlodipine interaction

Lithium and Telmisartan and amlodipine: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Lithium (Lithium Carbonate) label · effective 2026-08-16

Moderate

Calcium Channel Blocking Agents (CCB) Clinical Impact: Concomitant use may increase the risk of neurologic adverse reactions in the form of ataxia, tremors, nausea, vomiting, diarrhea and/or tinnitus.

Drug interactionsby drug classView label on DailyMed

From the Telmisartan and amlodipine label · effective 2023-01-30

Moderate

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

Drug interactionsnames LithiumView label on DailyMed
Moderate

Therefore, monitor serum lithium levels during concomitant use.

Drug interactionsnames LithiumView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.