Segmentation by Types classifies Bartter Syndrome therapeutics into four distinct drug families: Non‑steroidal anti‑inflammatory drugs (NSAIDs), Potassium‑sparing diuretics, Renin‑angiotensin‑aldosterone system (RAAS) inhibitors, and Emerging gene‑therapy modalities. NSAIDs, representing the largest share, address hyperprostaglandinism and generate approximately 40 % of market volume due to their established efficacy and generic availability. Potassium‑sparing diuretics (e.g., spironolactone, amiloride) capture around 30 % of sales, as they directly correct hypokalemia, a hallmark of the disorder. RAAS inhibitors, including ACE inhibitors and ARBs, occupy roughly 20 % of the market, targeting secondary hypertension and renal protection. The remaining 10 % is attributed to Emerging gene‑therapy modalities, a rapidly evolving segment driven by clinical trials exploring SLC12A1 and KCNJ1 gene correction. This taxonomy clarifies how each therapeutic class contributes to overall market size, guiding investment decisions across mature and innovative treatment pathways.