Psychiatry Normal therapeutic level of Lithium level is A 0.5 to 0.7 mEq/litre B 0.7 to 1.1 mEq/litre C 0.1 to 0.3 mEq/litre D 1.5 to 2 mEq/litre 💡 Explanation Normal therapeutic level of Lithium level is ✓ Correct Answer: B. 0.7 to 1.1 mEq/litre