Diet Chart For IBS – Irritable Bowel Syndrome It is a gastrointestinal disorder that results in diarrhea, constipation, abdominal pain, and bloating in severe cases, mucus is also found in the stool. Intake of dairy products, chocolate, citrus food, or alcohol can worsen the symptoms leading to severe constipation and diarrhea. Stress also serves as a major symptom of IBS. So, by managing our lifestyle and diet, we can control the symptoms more easily. A high-fiber diet is helpful in