For the treatment of constipation-predominant irritable bowel syndrome
, there should be increased fiber in the diet, laxatives or lactulose
to relieve constipation. Unless the constipated stool is passed out, antispasmodics are not going to be of any help. You can also try exercise, yoga, psychotherapy
. Herbal remedies are also available for the treatment of IBS. Please consult your doctor for further advice. Take care.