Ansofaxine hydrochloride is primarily used in the treatment of major depressive disorder (MDD) and other mood-related conditions. It functions as a serotonin-norepinephrine reuptake inhibitor (SNRI), helping to balance neurotransmitters in the brain, which can alleviate symptoms of depression and improve overall mood. This compound is particularly noted for its potential to provide rapid and sustained relief from depressive symptoms, making it a valuable option for patients who may not respond well to other antidepressants. Additionally, it is being explored for its efficacy in managing anxiety disorders and chronic pain conditions, as its dual mechanism of action may offer broader therapeutic benefits. Its application is typically under medical supervision to ensure optimal dosing and minimize potential side effects.