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 unique features it relaxes cramped muscles and helps them return to normal the active ingredient hyoscine butylbromide derived from a species of the plant duboisia has proven effectiveness of more tha