<prompt> Pre-treatment evaluation for lithium therapy should include -Fasting blood sugarSerum creatinineLiver function testsPlatelet count  <response>: Ans. is b i.e., Serum creatinine Pretreatment evaluation for Lithium therapy o Serum creatinine or 24 hour urine creatinine o Thyroid function T3, T4, TSH o ECG o Electrolytes o Complete blood count o Pregnancy test 