Types segmentation classifies Behcet Disease Treatment by pharmacological mechanism. Biologic agents, chiefly anti‑TNFα (e.g., infliximab, adalimumab) and anti‑IL‑1 (e.g., anakinra), constitute the largest sub‑type, driven by superior efficacy in refractory ocular and vascular cases; they represent roughly 45 % of the therapeutic mix. Conventional immunosuppressants, such as azathioprine, cyclosporine, and methotrexate, form the second largest sub‑type, covering about 30 % of prescriptions, especially for mucocutaneous lesions where cost‑effectiveness remains critical. Small‑molecule inhibitors, including Janus kinase (JAK) inhibitors and phosphodiesterase‑4 blockers, are emerging, currently holding near 15 % of market share but expected to grow as clinical data mature. Corticosteroids, though declining in long‑term use, still account for approximately 10 % of treatments, primarily as bridge therapy. This typology clarifies how each drug class contributes to the total market size and informs strategic positioning within the Behcet Disease Treatment segmentation framework.