Pharmacology For therapeutic effect in manic depressive illness, steady-state serum lithium concentration should be maintained between A 0.2-0.4 mEq/L B 0.5-0.8 mEq/L C 1.0-1.3 mEq/L D 1.5-2.5 mEq/L 💡 Explanation For therapeutic effect in manic depressive illness, steady-state serum lithium concentration should be maintained between ✓ Correct Answer: B. 0.5-0.8 mEq/L