Takeda Pharmaceutical Co., Ltd. is involved in the research, development, manufacturing, and international sales and marketing of pharmaceutical drugs. Its operations are divided into three main segments: Prescription Drugs, Consumer Healthcare, and Other. The Prescription Drugs segment is responsible for producing and distributing pharmaceutical products. The Consumer Healthcare segment focuses on the production and sale of over-the-counter (OTC) drugs and quasi-drugs. The Other segment deals with the production and sale of reagents, clinical diagnostics, and chemical products.