A dietitian can help to identify food triggers and help to manage symptoms via dietary changes. A If you're experiencing Irritable Bowel Syndrome (IBS), know that you're not alone. While the exact cause of IBS is unknown, there are several ways to manage the symptoms and improve your quality of life. They can help you identify food triggers and suggest dietary changes that can help alleviate your symptoms. Additionally, practicing stress-reducing techniques and getting regular exercise can also help manage IBS symptoms.