Within the Types dimension, the market is organized into four core product families: Non‑steroidal anti‑inflammatory drugs (NSAIDs), Disease‑modifying osteoarthritis drugs (DMOADs), Biologic therapies, and Nutraceuticals. NSAIDs are subdivided into COX‑2 selective and non‑selective agents, delivering rapid analgesia but limited disease‑modifying impact; they dominate volume sales due to established safety profiles. DMOADs, including glucosamine‑based and hyaluronic acid injections, aim to alter joint pathology and command higher pricing, attracting premium‑segment spend. Biologic therapies, such as stem‑cell and platelet‑rich plasma treatments, represent a niche yet rapidly expanding segment driven by regenerative‑medicine research and owner willingness to invest in advanced care. Nutraceuticals encompass omega‑3 fatty acids, chondroitin sulfate, and herbal extracts, offering over‑the‑counter options that supplement conventional regimens. Each type’s market contribution aligns with its clinical efficacy, cost structure, and adoption curve, collectively defining the market taxonomy for companion animal arthritis.