Buscopan Cramps Tablets provide fast, effective relief from stomach and bowel cramps which cause pain and discomfort associated with your digestive tract, and can also be used to relieve symptoms of Irritable Bowel Syndrome. Buscopan Cramps Tablets treat the cause of the pain rather than masking the symptoms. It contains the active ingredient, hyoscine butylbromide, which has an anti-spasmodic action that relaxes the spasm in the digestive tract to ease the pain and discomfort of stomach cramps in one simple tablet.