Lithium citrate tribasic tetrahydrate is primarily used in the medical field as a treatment for bipolar disorder. It helps stabilize mood swings by balancing certain chemicals in the brain. This compound is often prescribed in tablet or liquid form for patients who require long-term mood stabilization. It is particularly effective in reducing the frequency and severity of manic episodes. Additionally, it is sometimes used in research studies to explore its effects on neurological conditions. Proper dosage and monitoring are essential to manage potential side effects and ensure therapeutic effectiveness.