Buscopan cramps is a specialist treatment that is specifically designed to treat the spasms the cause of stomach pain or cramps the active ingredient in buscopan cramps hyoscine butylbromide has an antispasmodic action that relaxes the spasms in the digestive tract to ease pain and discomfort unlike painkillers which mask the pain buscopan cramps works directly on the cause of pain the spasm in the gutto provide effective relief