"Lithium is also sometimes used to treat certain blood disorders, depression, schizophrenia (a mental illness that causes disturbed or unusual thinking, loss of interest in life, and strong or inappropriate emotions), disorders of impulse control (inability to resist the urge to perform a harmful action), and certain mental illnesses in children. Talk to your doctor about the risks of using this medication for your condition."

http://www.nlm.nih.gov/medlineplus/d...r/a681039.html