In inflammatory bowel disease, or IBD, there is persistent inflammation in the gastrointestinal tract. The condition causes symptoms such as abdominal pain, diarrhea, bloody stool, constipation, and an urgent need to have a bowel movement. The most common types of IBD are Crohn’s disease and ulcerative colitis.Schedule an AppointmentBrowse our specialists and get the care you need.Gastroenterologists at NYU Langone's Inflammatory Bowel Disease Center and Inflammatory Bowel Disease Center—Long Island are experts inthe gastrointestinal tract and can recommend the appropriate diagnostic tests to determine the cause of your symptoms. There is no single definitive test to confirm the presence of IBD, so the condition is diagnosed based on a combination of tests, including endoscopy, biopsy, and imaging tests.Medical HistoryYour doctor asks about the symptoms you have been experiencing, when you first noticed them, how frequently they occur, how severe they are, and whether they interfere wi...