![]() Drinks may be limited to clear liquids - plain water, tea and coffee without milk or cream, broth, and carbonated beverages. Typically, you won't be able to eat solid food the day before the exam. Follow a special diet the day before the exam. ![]() To empty your colon, your doctor may ask you to: Any residue in your colon may make it difficult to get a good view of your colon and rectum during the exam. How you prepareīefore a colonoscopy, you'll need to clean out (empty) your colon. A tear in the colon or rectum wall (perforation)Īfter discussing the risks of colonoscopy with you, your doctor will ask you to sign a consent form giving permission for the procedure.Bleeding from the site where a tissue sample (biopsy) was taken or a polyp or other abnormal tissue was removed.A reaction to the sedative used during the exam.Rarely, complications of a colonoscopy may include: split-dose low-volume bowel preparations on bowel movement kinetics, patient inconvenience, and polyp detection: A prospective trial. Comparing the real-world effectiveness of competing colonoscopy preparations: Results of a prospective trial. What level of bowel prep quality requires early repeat colonoscopy: Systematic review and meta-analysis of the impact of preparation quality on adenoma detection rate. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. ![]() The preparation essentially involves giving a person diarrhea, so it is important to drink plenty of fluids until 2 hours before the procedure. By this point, they should be using the toilet regularly, and their stools should be clear. The morning of the procedureĪ person continues to have only clear liquids and no solid foods. Healthcare staff tend to recommend having half the night before and half on the morning of the colonoscopy. Usually, a person starts drinking the prep solution at this time. A person can have unlimited amounts of clear liquids and those in the list above. The day before a colonoscopy, people should not have solid food. Start drinking at least 8 glasses of water or other liquids a day to prevent dehydration. Gatorade, Powerade, and similar light-colored drinks. ![]()
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