The Bipolar Disorder Therapeutics segmentation by application differentiates between Bipolar I, Bipolar II, and Cyclothymic Disorder, each dictating distinct prescribing patterns and revenue trajectories. Bipolar I, characterized by full manic episodes, commands the largest shareโroughly 60 %โbecause patients require lifelong mood stabilizers and frequent antipsychotic augmentation, generating recurring pharmacy expenditure. Bipolar II, representing ~30 %, drives demand for newer atypical antipsychotics with safer metabolic profiles, as hypomania episodes necessitate chronic maintenance but lower hospital utilization. Cyclothymic Disorder, although only ~10 %, is emerging as a growth pocket; guidelines now recommend early pharmacotherapy to prevent progression, translating into incremental script volume for lamotrigine and quetiapine. Collectively, the application axis underpins a global market valued at USD 5.8 bn in 2023, with Bipolar I contributing the majority of lifetime treatment cost per patient.