Types segmentation classifies Mouth Ulcers Drugs according to pharmacological architecture and delivery format, a distinction that clarifies competitive dynamics and pipeline priorities. Topical agents dominate the segment, representing roughly 60 % of the market; subtypes include antiseptic gels (e.g., chlorhexidine), corticosteroid ointments (e.g., triamcinolone acetonide), and protective patches (e.g., hyaluronic‑acid films) that act directly on lesion sites to reduce inflammation and accelerate epithelial repair. Systemic agents occupy about 30 % of sales, with subcategories such as antibiotics (e.g., metronidazole) for secondary infection control and immune‑modulators (e.g., thalidomide, colchicine) prescribed for ulcerative disorders with systemic etiology. The residual 10 % is captured by Combination therapies, which integrate topical and systemic components in single regimens to improve adherence and therapeutic outcomes, exemplified by dual‑action mouthwashes containing both anti‑inflammatory and antimicrobial ingredients. By quantifying each type’s contribution, analysts can map R&D investment intensity, forecast regulatory scrutiny, and assess pricing power across the market taxonomy, thereby supporting strategic decision‑making for stakeholders.