The Types segmentation classifies anti‑tuberculosis agents into First‑Line, Second‑Line, and Newer/Reserve drugs. First‑Line drugs—isoniazid, rifampicin, ethambutol, and pyrazinamide—constitute the core of standard therapy, capturing the majority of volume due to their established efficacy and lower cost, thereby anchoring the market’s baseline revenue. Second‑Line drugs—fluoroquinolones, aminoglycosides, cycloserine, and ethionamide—are deployed for multidrug‑resistant (MDR) and extensively drug‑resistant (XDR) cases; although they represent a smaller volume, their higher price points and longer treatment durations amplify their financial impact. Newer agents such as bedaquiline and delamanid address resistant strains with novel mechanisms, commanding premium pricing and expanding market potential as resistance patterns evolve. By delineating these drug types, analysts can quantify each sub‑segment’s contribution to total sales, forecast pricing pressure, and assess pipeline opportunities within the Anti‑Tuberculosis Drug market.