Lithium and Olmesartan, amlodipine, and hydrochlorothiazide interaction
Lithium and Olmesartan, amlodipine, and hydrochlorothiazide: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
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
• Diuretics, NSAID, renin-angiotensin system antagonists, or metronidazole may increase lithium serum concentrations.
Drugs Having Clinically Important Interactions with Lithium Table 4: Clinically Important Drug Interactions with Lithium Diuretics Clinical Impact: Diuretic-induced sodium loss may reduce lithium clearance and increase serum lithium concentrations .
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.
From the Olmesartan, amlodipine, and hydrochlorothiazide (Olmesartan medoxomil, amlodipine and hydrochlorothiazide) label · effective 2026-01-05
• Lithium: Increases in serum lithium concentrations and lithium toxicity.
Lithium: Increases in serum lithium concentrations and lithium toxicity have been reported with concomitant use of olmesartan or thiazide diuretics.
Monitor lithium levels in patients receiving olmesartan medoxomil, amlodipine and hydrochlorothiazide and lithium.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot 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.