Buscopan IBS Relief relieves abdominal cramps which cause pain and discomfort in irritable bowel syndrome (IBS). It works by an antispasmodic effect, relaxing the cramping muscle of your bowel.Medicinal product. For relief of abdominal cramps, pain and discomfort. Active ingredients, Hyosine butylbromide 10mg, also contains sucrose. Please read enclosed leaflet carefully before use. Do not give to children under 12 years old . Store out of reach and sight of children.