Normal Reference Ranges
Adult
Therapeutic: 0.6 - 1.2 mEq/L
Pediatric
N/A mEq/L
Clinical Significance
Narrow therapeutic index drug used for Bipolar Disorder. Toxicity causes tremor, ataxia, confusion, and eventually seizures.
Causes of High
- Lithium toxicity (dehydration, NSAIDs, thiazides, ACE inhibitors)
Causes of Low
- Non-compliance
- Subtherapeutic dosing