Aboca Colilen IBS 96 CapsulesTreats irritable bowel syndrome Irritable bowel syndrome is a condition that manifests itself with varying intensity through a variety of symptoms that vary from person to person. Typical symptoms are pain, flatulence, dilation and discomfort in the abdomen, sometimes associated with an altered appearance of the stool and irregular bowel movements (constipation, diarrhea). This problem has long been referred to as spastic colitis or irritable colon.