Early Tour riders consumed alcohol and used ether, among other substances, as a means of dulling the pain of competing in endurance cycling. Some doctors add the laxative bisacodyl (Dulcolax).There have been allegations of doping in the Tour de France since the race began in 1903. Prep: Magnesium citrate (many over-the-counter brands). How to take it: Two 1-liter doses, each followed by clear liquids as directed. Prep: Polyethylene glycol, sodium sulfate, sodium chloride, potassium chloride, sodium ascorbate, and ascorbic acid (Moviprep). How to take it: Two 5-ounce doses, the first followed by five 8-ounce servings of clear liquid the second followed by three 8-ounce servings of clear liquid. Prep: Sodium picosulfate, magnesium oxide, and citric acid (Prepopik). How to take it: Two 12-ounce doses, each followed by a quart of water. Prep: Sodium sulfate, potassium sulfate, and magnesium sulfate (Suprep). The newer preps are often lower in volume and divided into two doses, the first taken the night before and the second six hours prior to your procedure. The days of downing a gallon of laxative in one dose are gone. Cheney says that taking ondansetron (Zofran) an hour before the first laxative dose and every six to eight hours during the process is effective for most people. If you have trouble getting the prep down, antinausea medications may help. He or she will prescribe another prep that is more likely to be successful. If your last prep was unsuccessful or difficult to tolerate, talk to your gastroenterologist. People with kidney disease and heart conditions often require preps that don't include phosphates or magnesium.Ī previous failed prep. If you fit this description, your gastroenterologist may suggest a two-day prep.Ĭertain medical conditions. Many people with chronic constipation have long, tortuous colons, which are more difficult to empty completely. Your doctor may prescribe a different regimen if you have any of the following:Ĭonstipation. Keeping hydrated not only clears your colon but also maintains your electrolyte balance. Throughout the entire prep period: Drink lots of fluids. "The more time that elapses after you take the prep, the more likely you are to have fluid in your colon," Dr. Even after a thorough cleansing, your stomach and pancreas are still making fluids, which flow into the colon. The American Gastroenterological Association and American College of Gastroenterology recommend the split dose because it cleans the colon more thoroughly. Six hours before your appointment: Drink the second dose of the prep. Don't eat or drink anything two hours before the procedure. The day of the colonoscopy: As on the previous day, clear liquids only. The exact instructions depend on the bowel prep used and the time of your colonoscopy. The afternoon or evening before the colonoscopy: Drink the first dose of the prescribed laxative preparation. Instead, consume only clear liquids like clear broth or bouillon, black coffee or tea, clear juice (apple, white grape), clear soft drinks or sports drinks, Jell-O, popsicles, etc. The day before the colonoscopy: Don't eat solid foods. Here's a suggested sequence:Ī few days before the colonoscopy: Start eating a low-fiber diet: no whole grains, nuts, seeds, dried fruit, or raw fruits or vegetables. What the prep involvesĭifferent medical centers recommend different ways to prepare the bowel for a colonoscopy. She notes that polyps that lie flat against the colon wall are especially difficult to detect if stool or liquid coat the bowel wall. "If the prep isn't adequate, the patient should come back after using a different prep," she explains. Why prep?Ī clean colon is a key requirement for a successful colonoscopy, Dr. Colonoscopy enables gastroenterologists to detect and remove polyps-the small growths that can develop into colon cancers-as well as small cancers before they have spread to other parts of the body. Colon cancer is the second leading cause of cancer death in women. It may help to keep in mind that colonoscopy can save your life. She cites new low-volume preps that are much easier to take and antinausea medications to help them go down. Catherine Cheney, a gastroenterologist at Harvard-affiliated Beth Israel Deaconess Medical Center. "Things have changed a lot in the past 10 years," says Dr. If your fears are based on your last colonoscopy prep, you may be pleasantly surprised by your next one. Getting ready for a colonoscopy can occupy an entire day of dietary restrictions, powerful laxatives, and diarrhea. If you're apprehensive about your next colonoscopy, you're probably dreading not the procedure itself, but the preparation for it-and for good reason. Screening colonoscopy is key to preventing colon cancer, and preparing for the procedure is easier than ever.
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