Zeria Pharmaceutical Co., Ltd. engages in the manufacture, sale, import and export of pharmaceutical products. It operates through the following segments: Medical Pharmaceuticals and Consumer Healthcare. The Medical Pharmaceuticals segment deals with the research, development, and distribution of medical drugs. The Consumer Healthcare segment manufactures, supplies, and markets self-medication over-the-counter (OTC) drugs, health foods, quasi drugs, and cosmetics. The company was founded in December 22, 1955 and is headquartered in Tokyo, Japan.