Spasmin is used to relieve the symptoms of irritable bowel syndrome and has an antispasmodic effect by directly affecting the smooth muscles in the digestive tract, so they relax, without affecting the normal passage of the intestine. It has an antispasmodic effect by directly affecting the smooth muscles in the digestive tract, so they relax, without affecting the normal passage of the intestine. Spasmin is used to relieve the symptoms of irritable bowel syndrome.