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Mild· limited-evidence
Low risk at usual doses, but report any unusual symptoms to a healthcare professional.
Astragalus may have mild diuretic effects that could affect lithium levels.
Diuretic activity may reduce renal lithium clearance.
Source: Natural Medicines Database · Reviewed April 2026
Astragalus + Lithium: low risk. Low risk at usual doses, but report any unusual symptoms to a healthcare professional. Astragalus may have mild diuretic effects that could affect lithium levels.
Diuretic activity may reduce renal lithium clearance.
Do not stop either abruptly on your own. Talk to your prescriber or pharmacist promptly — bring this page to your appointment.
Educational information only — not medical advice. Always verify with a healthcare professional.