Psychiatry Prophylactic maintenance serum level of lithium is : A 0.5 - 0.8 mEq/L B 0.7 - 1.2 meq/L C 1.2 - 2.0 meq/L D 2.0 - 2.5 meq/L 💡 Explanation Prophylactic maintenance serum level of lithium is : ✓ Correct Answer: A. 0.5 - 0.8 mEq/L