Application segmentation delineates the contexts in which therapeutic interventions for Cushing’s disease are deployed across the canine population. The dominant clinical treatment segment, accounting for roughly 70 % of total spend, comprises routine diagnostic work‑ups, drug administration, and follow‑up visits within veterinary clinics and specialty hospitals. Its size is driven by the high prevalence of iatrogenic and spontaneous hyperadrenocorticism and the need for chronic medication. The preventive screening segment, representing about 15 % of the market, includes early‑detection programs, hormone‑assay panels, and risk‑assessment services offered by large animal‑health networks; its growth is linked to increasing owner awareness and insurance coverage. The remaining 15 % falls under post‑surgical management, which captures postoperative monitoring, hormone replacement, and complication mitigation after adrenalectomy or hypophysectomy. Together, these application categories form the core of the Treating Cushing’s Disease in Dogs segmentation, shaping revenue distribution and informing resource allocation across the sector. Regulatory oversight, such as FDA veterinary drug approvals, further concentrates spend within the clinical treatment segment, while emerging tele‑medicine platforms are beginning to shift a modest portion of preventive screening toward digital channels.