Constipation in irritable bowel syndrome

Manage constipation in irritable bowel syndrome (IBS) as for functional constipation. However, patients with IBS who have constipation may not tolerate the following types of laxatives:

• fibre (see Fibre in irritable bowel syndrome)
• osmotic laxatives (eg lactulose) may cause bloating and pain
• stimulant laxatives may cause cramping and pain.