Doctor Warns: The Truth Nobody Tells You After a Colonoscopy—Shower Before Eating When You Get Home

A gastroenterology specialist has shared an important warning about what doctors don't typically mention after a colonoscopy. Patients should not rush to eat a large meal after the procedure, as fecal residue may still cling to the body despite proper bowel preparation beforehand.

Dr. Leilabilis Padilla, a gastrointestinal specialist, explains that during a colonoscopy, doctors insert a small tube with a camera and light through the rectum into the colon to detect abnormalities such as wounds, bleeding, inflammation, or signs of colorectal cancer. Despite patients fasting and taking laxative medications to cleanse the bowel before the procedure, the intestinal cleaning may not be as thorough as expected.

Dr. Padilla notes that after the examination, some patients may have fecal residue on their body, including effects from anesthesia and positioning during the procedure. She recommends that upon waking and returning home, patients should shower immediately before eating, as even though nurses clean the body, there may be tiny spots that remain unseen.

Currently, over 15 million colonoscopies are performed annually in the United States. The American Cancer Society recommends starting colorectal cancer screening at age 45 and repeating it every 10 years, as this cancer often shows no symptoms in early stages. There is also a growing trend of younger patients, particularly men under 50, developing the disease, making colorectal cancer one of the leading causes of cancer-related death.

Beyond cancer screening, colonoscopy also helps diagnose gastrointestinal disorders such as Crohn's disease, chronic colitis, chronic diarrhea, and constipation, as well as gastrointestinal bleeding. If polyps are found, doctors can remove them immediately to check for cancer cells, significantly reducing the risk of future cancer development.