medication hyoscyamine sulfate
A Stacy Wiegman, PharmD , Pharmacy, answered. Hyoscyamine sulfate is an antispasmodic medication that helps to control the symptoms of various disorders of the intestines, stomach, and urinary tract. Hyoscyamine sulfate provides relief from colic, cramps, and painful muscle contractions by decreasing stomach fluid secretion and decreasing stomach and intestinal motion.