Home > Medical > Digestive-Health > Crohn's disease Crohn's disease All sections in Digestive Health » About Gastro » Anal & Rectal Disorders » Digestive Disorders » Common Symptoms » Dehydration » Digestive Health » Gastro & Food Illness » IBS » News » Tests & Procedures What is Crohn's disease? Crohn's disease is a chronic disorder that causes inflammation of the gastrointestinal tract, resulting in diarrhoea symptoms, or frequent, loose, watery stools. What is Crohn's disease? Crohn's disease is a chronic disorder that causes inflammation of the gastrointestinal tract, resulting in diarrhoea, or frequent, loose, watery stools. What causes Crohn’s disease? Researchers believe Crohn’s disease is caused by an overreaction of the immune system, genetics and environmental factors. Course and prognosis of Crohn's disease The course and severity of the disease varies widely from person to person, which is one of the reasons it's difficult to treat. Treating Crohn’s disease Do you have Crohn's disease? The main goal of treatment is to prevent inflammation. Crohn's disease: FAQs Do you or someone you love have Crohn's disease? We answer a few frequently asked questions. Symptoms of Crohn's disease Once you’re diagnosed with Crohn's disease, it can cause life-long (chronic) symptoms that come and go. Risk factors for Crohn's disease Smoking is a strong risk factor for developing Crohn's disease and speeds up its progression. Diagnosing Crohn’s disease Gastroenterologists diagnose Crohn's disease using a combination of symptoms and test results. Preventing Crohn’s disease There are certain steps you can take to help prevent Crohn’s disease. Find out more. Crohn's disease has different genetic subtypes A study discovered at least two separate genetic subtypes of Crohn's disease, which could lead to more effective treatments for the condition. load more From our sponsor Sponsored: Is your pancreas working properly? Sponsored: Are you having problems digesting your food?