Tianeptine Sodium Salt is primarily used in the treatment of major depressive disorder, offering an alternative for patients who do not respond well to traditional antidepressants. It works by modulating glutamate levels in the brain, which helps in restoring neural plasticity and improving mood. Additionally, it has shown efficacy in alleviating symptoms of anxiety and stress-related disorders. In some cases, it is also prescribed for managing cognitive impairments associated with depression. Its unique mechanism of action makes it a valuable option in psychiatric pharmacotherapy, particularly for individuals with treatment-resistant depression.