Systemic Lupus Erythematosus Treatment segmentation by Type maps therapeutic demand to the underlying immunologic targets. NSAIDs (โ8 % share) address mild musculoskeletal flares, offering symptomatic relief without altering disease trajectory. Antimalarials, dominated by hydroxychloroquine, command the largest revenue slice (โ35 %) because they reduce flares, steroid burden, and cardiovascular risk; their generic availability keeps volumes high even as prices compress. Immunosuppressants (โ25 %)โazathioprine, methotrexate, mycophenolateโserve as steroid-sparing agents for moderate renal or extrarenal activity, but safety monitoring requirements constrain prescribing. Corticosteroids (โ12 %) remain ubiquitous for rapid control despite long-term toxicity, sustaining steady low-value volumes. Biologics (โ15 %)โnotably belimumab and off-label rituximabโtarget refractory disease; although patient pools are small, high annual therapy costs (>US$35 k) lift dollar share well above unit share. This market taxonomy thus reveals a revenue skew toward antimalarials and biologics, while volume continues to hinge on inexpensive oral options.