Gastro-Stop Plus contains loperamide, which works by slowing down the movement of the intestines allowing more time for fluids and electrolytes to be reabsorbed by the gut. Gastro-Stop Plus also contains simethicone, which effectively treats the pain and discomfort caused by wind, gas, cramps and bloating. Portable mint chew for diarrhoea relief on the go Relief from diarrhoea plus cramps, bloating and wind pain Provides relief from acute diarrhoea with associated gas-related abdominal discomfort