What are the basic considerations for monitoring lithium therapy?

• A. Check baseline and periodic serum lithium levels (therapeutic range typically 0.6–1.2 mEq/L), monitor kidney function and thyroid function, assess hydration and electrolyte balance, watch for signs of toxicity (nausea, tremor, confusion, coarse hand tremor).
• B. Routinely monitor blood glucose only.
• C. Monitor liver enzymes monthly.
• D. No laboratory monitoring is required.

Answer: (A)