Lithium and Azilsartan Interaction

Drug interaction information between Lithium and Azilsartan.

Lithium and Azilsartan have a documented moderate interaction in FDA labeling.

FDA drug labeling documents a moderate-severity interaction between Lithium and Azilsartan. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Lithium

Mood Stabilizer

Drug B

Azilsartan

Angiotensin II Receptor Blocker (ARB)

How They Interact

Azilsartan can make it harder for the kidneys to remove lithium from the body. This causes lithium levels to build up, which can lead to dangerous side effects.

FDA Label Information

7 DRUG INTERACTIONS Renal clearance of lithium is reduced by diuretics, such as chlorthalidone increasing the risk of lithium toxicity ( 7 ) NSAIDS increase risk of renal dysfunction and interfere with antihypertensive effect ( 7 ) Dual inhibition of the renin-angiotensin system: Increased risk of renal impairment, hypotension, and hyperkalemia ( 7 ) Lithium: Increases in serum lithium concentrations and lithium toxicity ( 7 ) 7.1 Non-Steroidal Anti-Inflammatory Agents including Selective Cyclooxygenase-2 Inhibitors (COX-2 Inhibitors) In patients who are elderly, volume-depleted (including...

Azilsartan Also Interacts With

View all Azilsartan interactions →

Frequently Asked Questions

What SPL severity band is on file for Lithium + Azilsartan?

Compiled FDA labeling labels this pair moderate. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Lithium has 90 labeled pairs on file vs Azilsartan's 3. In the moderate band specifically: Lithium has 23 (also Amiloride, Amiodarone, Amlodipine/Valsartan, Benazepril); Azilsartan has 2 (also Chlorthalidone).

What mechanism field is on file for Lithium and Azilsartan?

Azilsartan can make it harder for the kidneys to remove lithium from the body. This causes lithium levels to build up, which can lead to dangerous side effects.

Lithium carries more major-labeled pairs than Azilsartan

SPL source-record counts only. This page's band is moderate · classes on file: Lithium (Mood Stabilizer); Azilsartan (Angiotensin II Receptor Blocker (ARB)).

Lithium has 2 major-labeled pairs vs Azilsartan's 1. This page itself is in the moderate band, not the major band.

Lithium

2 major · 23 moderate · 65 minor · 90 total

Azilsartan

1 major · 2 moderate · 0 minor · 3 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.