Lithium is an essential nutrient mainly used as mood stabilizer in patients with bipolar disorder. it has mild and reversible toxic effects on kidney, liver, heart, and glands.
Some if the adverse effects of lithium are tremor,ataxia, confusion, convulsion,nausea, vomitting, diarrhoea, arrhythmias, polyuria, polydipsia,goitre and hypothyroidism.
The effective dose range for lithium is 0.6-1.0 mM in serum and >1.5 mM may be toxic. Serum lithium levels of 1.5-2.0 mM