Lithium Level Against the Label
Places a serum lithium level against the FDA label range for acute or maintenance treatment.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Acute manic or mixed episode (acute) or maintenance treatment
- Acute manic or mixed episode
- Serum lithium level
- 0.6 mEq/L
- Hours since the last dose
- 12 hours
Result: Lithium 0.6 mEq/L: below the label's 0.8 to 1.2 mEq/L.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Acute manic or mixed episode (acute) or maintenance treatment (maintenance)
- Serum lithium level
- Hours since the last dose
- Creatinine clearance (optional)
- Current daily dose (optional, with a target)
- Target level (optional)
How this is calculated
Citation
FDA label on DailyMed, Lithium Carbonate tablets and capsules: 0.8 to 1.2 mEq/L for acute episodes and 0.8 to 1 mEq/L for maintenance, drawn 12 hours after the last dose; 1.5 mEq/L or more toxic; renal statements at 30 to 89 and under 30 mL/min. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.