Taiko Pharmaceutical Co., Ltd. engages in the manufacture and sale of general medications particularly non-prescription gastrointestinal drugs and designated quasi drugs. It operates through the following segments: Pharmaceuticals, Infection Control, and Others. The Pharmaceuticals segment handles the sale of gastrointestinal drugs such as Seirogan, Seirogan Toui A, and Seirogan Quick C. The Infection Control segment offers hygiene products such as Cleverin and clev&and. The Others segment provides vinegar-related products. The company was founded by Otojiro Shibata in July 1940 and is headquartered in Osaka, Japan.