Ota GastroSan and Ota GastroSan Laxative belong to the same class of drugs, and Ota GastroSan Laxative is one of the series of Ota GastroSan. OtaGastroSan is an imported gastrointestinal drug and belongs to a compound preparation, whose main ingredients are cinnamon, fennel, nutmeg, clove, tangerine peel, gentian and other herbs, as well as sodium bicarbonate, calcium carbonate, magnesium carbonate, aluminum silicate and other chemical preparations, which is mainly used for the treatment of heartburn, hyperacidity, belching, acid reflux and so on, which are caused by chronic gastritis. OtaGastroSan is one of the series of OtaGastroSan, which combines lactobacilli and raw herbs, and is more targeted at people with sensitive stomachs and intestines. As a gastrointestinal medication, Ota GastroSan may cause adverse reactions such as constipation and bloating, and it is contraindicated for children under 8 years of age. When choosing Ota GastroSan for treatment, it is important to use the medication in strict accordance with the doctor’s prescription.