Antispasmodic drugs such as dicyclomine (Bentyl) and hyoscyamine (Levsin) relieve the stomach cramps brought on by IBS by relaxing the smooth muscle of the gut. But they also may cause constipation, so they aren't usually prescribed for people who suffer IBS-C.

Do antispasmodics slow motility?

Nevertheless, the overall results have generally been positive, showing that antispasmodics are able to regulate GI motility disturbances, defecation alterations and abdominal pain/discomfort, with excellent safety profiles.

Do antispasmodics help bloating?

Which conditions are they used to treat? Antispasmodics are commonly used in IBS: To help relieve some of the symptoms of IBS such as spasm (colic), bloating and tummy (abdominal) pain. To reduce the movement (motility) of the gut (intestines).