What is the Lithium Test?
A blood test that measures the level of lithium in the bloodstream to ensure safe and effective dosing for individuals using lithium medication, primarily for bipolar disorder.
🎯 Purpose of the Test
Monitor lithium levels in patients receiving lithium therapy
Ensure the drug is within a therapeutic range
Prevent toxicity or subtherapeutic dosing
Assess adherence to treatment
📊 Normal Ranges (May vary slightly by lab)
Therapeutic Range: 0.6 – 1.2 mEq/L
Toxic Levels: >1.5 mEq/L (Risk of toxicity)
Subtherapeutic Levels: <0.6 mEq/L (May be ineffective)
⚠️ Signs of Lithium Toxicity
Nausea, vomiting, diarrhea
Hand tremors
Confusion or drowsiness
Seizures (severe cases)
📝 Additional Testing May Include:
Kidney Function Tests (Creatinine, BUN)
Thyroid Function Tests (TSH, T3, T4)
Electrolyte Panel (Sodium, Potassium, Calcium)
⏳ When Should You Get Tested?
Regular Monitoring: 5-7 days after starting or adjusting lithium dose
Symptoms of Toxicity
Routine Checkups (every few months for stable patients)