Last reviewed: December 2023 Next review date: December 2026 Understanding Crohn's and Colitis Print Subscribe Save to My Page Understanding Crohn's and Colitis Colitis Medicines Healthcare Symptoms Diagnosis Chrohn's Getting a diagnosis GP Tests investigations Crohn’sandColitis are lifelong conditions that cause inflammation and ulcers in the gut. The symptoms can include:DiarrhoeaBlood in your pooUnexplained weight lossExtreme tummy painTirednessGetting a diagnosis of Crohn's or Colitis is not always easy. You may need several tests, examinations and investigations. For some people, waiting times can be long. And you may be dealing with embarrassing and distressing symptoms and the anxiety they may bring while you wait.But you’re not alone. This information is designed to guide you through the process of getting a diagnosis. We hope our information will make things seem less overwhelming, but if you have any questions, then our helpline is here to help you.Below you can find out abou...