The night before your colonoscopy you'll take strong laxatives to clear your digestive tract. The method recommended for most people is called split dosing. You'll drink a half-gallon of liquid laxative in the evening. Then you'll get up about 6 hours before your appointment to drink another half-gallon.
It is recommended that you shower the night before or morning of the procedure. After midnight the night before the colonoscopy, you should not eat or drink anything except medications that your surgeon or anesthesiologist has told you are permissible to take with a sip of water the morning of colonoscopy.
It depends on the formula you're taking. A PEG-based bowel prep may take one to three hours, while a NaP-based bowel prep may take three to six hours to start. If you are severely constipated and your bowel movements aren't progressing, contact your healthcare provider.
1 Day Before Your Colonoscopy (Prep Day)
Do not eat anything solid. No red, orange or purple products. No dairy products or creamers. Clear liquids include water, tea, coffee, apple juice, white grape juice, white cranberry juice, sports drinks, vitamin waters, Jell-O®, broth and soda.
The good news is that there is usually very little discomfort. You will likely be able to sleep through the night once the first round of evening prep is over. Finding colon polyps early before they can become cancerous can save your life and doing the prep is worth it.
What if I've taken all my preparation and am still passing solid stool on the day of my exam? In this case, your procedure will need to be rescheduled. You may be prescribed a different preparation for your next procedure. Please call the triage nurse to reschedule your procedure with a different preparation.
You may brush your teeth. However, unless specifically instructed by your doctor to drink the remainder of a split-dose prep, you are generally asked to refrain from eating or drinking anything, even water, the morning of your procedure.
One day before your colonoscopy
☐ Eat lunch — clear liquids only, no solid food. ☐ Eat dinner — clear liquids only, no solid food. ☐ Take your bowel prep in the evening as instructed.
Schedule the day off work
Make sure to schedule a day off work for the actual colonoscopy procedure. Unless you work night shifts, patients find they are fine to work the day before – even during the liquid diet phase – without any problems.
The effects of bowel prep medication can begin as soon as 30 minutes to an hour after your first dose, and can last up to 16 hours. Most people do not continue to experience diarrhea after they've gone to bed on the night before the test.
This is a rough way to do it, but yes, you will have a very temporary weight loss of one to three pounds typically. But, just as with your bowel habits, these few pounds will return as well once you resume your normal diet.
Signs Your Colon is Clear
The morning of your exam if you are still passing brown liquid with solid material mixed in, your colon may not be ready and you should contact your doctor's office. Passing mostly clear or only a light color, including yellow, is a sign your colon is clean enough for an accurate examination.
DAY OF COLONOSCOPY
bowels at least 10-15 times. By the end of your prep, your stool should become a clear, yellow-tinged fluid. scheduled, but then nothing by mouth after that.
You may not eat anything the morning of your procedure, but you may continue to drink clear liquids up until 2 hours before your procedure. You may shower and brush your teeth. Will I be shaved before my colonoscopy? You will not be shaved.
In most local hospitals, patients are advised to stop consuming solid meals about 24 hours before the day of the colonoscopy.
You will usually be asked to avoid eating all solid foods the day before your colonoscopy, including eggs. However in the week preceding your colonoscopy, you can eat eggs.
You may pass liquid and/or liquid stool after your colonoscopy but, within one to five days, your bowel movements should return to normal.
Eat a diet rich in prebiotics. These are foods like fruits, vegetables, oats and whole grains that are high in fiber and feed probiotic bacteria. Avoid processed foods, wheat products, sugar, hydrogenated fats, alcohol and high fructose corn syrup for several days after your colonoscopy.
For procedures that are scheduled to start after noon, it is okay to drink clear liquids (black coffee or tea without milk, water, Seven-Up, ginger ale or apple juice) until 5 hours before the start time of the procedure. You should still not eat any solid food after midnight the night before.
For procedures that are scheduled to start after 12 p.m., it is okay to drink clear liquids (black coffee or tea without sugar or milk, water, Seven-Up, ginger ale or apple juice) until 6 hours before the start time of the procedure. DO NOT EAT ANY SOLID FOOD AFTER MIDNIGHT THE NIGHT BEFORE YOUR PROCEDURE.
You may keep most clothing on for upper endoscopy as well as comfortable shirt and socks for colonoscopy. Women may keep their bra on for the procedure. Please do not wear lotions, oils or perfumes/cologne to the center due to the monitoring devices.