Prepping for a colonoscopy: tips for the FODMAPer (2024)

Okay, so today’s topic might not be too exciting…but it is a necessary one! Oh…yes, let’s talk a bit about the dreaded prepping for a colonoscopy, shall we? Never fun.

The prep for a colonoscopy varies institution to institution, BE SURE to follow the guidelines provided by your doctor!Typically, the colonoscopy prep involves a few days of a low fiber diet followed by a day of clear liquids before the big day!

For the low FODMAP diet follower…finding clear liquid options to consume can be a little tricky.Most commercial broths contain onion and many clear liquids have high fructose corn syrup (most ginger ale) or are a source of excess fructose (apple juice). Many popsicles and frozen treats contain high fructose corn syrup, at least here in the States!

Toni Fiori, RDN, who specializes in digest health nutrition, shares a few suggestions, “Stay hydrated while prepping for a colonoscopy, drinking at least 8, 8 ounce cups of clear liquids daily or as instructed by your doctor. Lemon-lime Gatorade made with sugar is a good clear liquid option. Making your own stevia or sugar sweetened lemonade with pulp free lemon juice, water and sweetening to your taste is another option.”

Low FODMAP clear liquid inspirations:

  • Jello Brand boxed lemon Jello (sweetened with sugar; make yourself) Note: avoid pre-made Jello snacks as many contain apple juice concentrate.
  • Broth sans onion and garlic: Try Trader’s Joe’s savory chicken broth or Progresso reduced sodium chicken broth, Savory Choice chicken broth packets (add hot water), or make your own.
  • Beverages: water (plain or carbonated),Simply Lemonade (contains sugar, lemon juice), Gatorade (clear liquid varieties made with sugar and dextrose; avoid red dyes, per your hospital instructions),Clif Hydration Electrolyte drink (Lemon-lime flavor), tea, coffee, coconut water (keep portion to 3 ounces per serving, per Monash U. guidelines) or try half and half lemon tea beverage: iced tea made with steeped green or black tea with a splash of Simply Lemonade and ice or purchase a suitable pre-made version such as Honest Tea organic half tea & half lemonade.
  • Hard candy (made with sugar, not high fructose corn syrup), such as lemon drops (brand: Signature kitchen) or peppermint rounds (brand: Yummy Earth).
  • Make ahead frozen treats: Freeze Simply Lemonade or suitable Gatorade by filling a paper cup 2/3 full and freeze partially for a slushy treat. Another option, freeze beverages in a popsicle mold or paper cup, until completely frozen fora popsicle or Italian Ice style treat.

While you are on the low fiber diet phase of the colonoscopy prep, here are a few meal ideas to help keep your energy up but your fiber intake down.

Breakfast options:

  • Gluten free pancakes: Bisquick GF pancake mix with a drizzle of pure maple syrup and a few banana slices on top.
  • 2 ingredient banana pancakes made with 1 banana, egg and cinnamon, recipe found here.
  • French toast: Udi’s white bread dipped in mixture of egg, lactose free milk dash of cinammon, and pure vanilla extract. Drizzle with pure maple syrup or sprinkle with confectioner’s sugar, if desired.
  • Scrambled eggs, gluten free white toast with butter and a small banana (1/4 cup grated, peeled zucchini, shredded cheddar, Canadian bacon strips, or a bit of bacon, can be added to the eggs while cooking, if desired.)

Lunch/Dinner suggestions:

  • Chicken and rice soup, check out my recipe here(remove celery from my recipe to reduce fiber)
  • Grilled cheese sandwich made on white gluten free bread, such as Udi’s white sandwich bread, cup of carrot ginger soup, low fiber gluten free crackers such as whiterice crackers.
  • Salmon topped with mustard and maple syrup glaze (mix 2 teaspoons Dijon mustard with 1 tablespoon pure maple syrup and brush on salmon), baked white potato (don’t eat skin) with butter or olive oil, and 1/2 cup cooked zucchini (limit skin) or cooked carrots and 1/2 cup diced cantaloupe.
  • Baked chicken, jasmine rice and steamed carrot rounds, drizzled with maple syrup, 1/2 cup diced honeydew melon.
  • Gluten free pasta or suitable gluten free gnocchi seasoned with butter or garlic infused oil and grated Parmesan. Enjoy with sliced grilled chicken and a small banana.

Snacks:

  • White rice crackers and a cheese stick or a scoop of lactaid cottage cheese
  • Popchips, sea salt flavor
  • 1/2 or {full} sandwich: Udi’s white bread or suitable sourdough white bread topped with turkey breast, mayo and a slice of Cheddar or Swiss cheese.
  • Lactose free yogurt, plain or vanilla such as Green Valley brand.
  • Rice cake with creamy peanut butter topped with banana slices.
  • Snyder gluten free pretzels
  • Homemade trail mix: 1/2 cup Environkidz panda puffs, 1/2 cup Snyder gluten free pretzels, 1 tablespoon semi-sweet chocolate chips

Please feel free to share other words of wisdom or clear liquid options to other FODMAPers gearing up for the clean out!

Oh, yeah, remember to buy plenty of cotton-y soft toilet paper and good luck! 🙂

Prepping for a colonoscopy: tips for the FODMAPer (2024)

FAQs

How to stave off hunger before a colonoscopy? ›

Coffee without creamer, popsicles, gelatin, sports drinks, pulp-free juices, and chicken or beef broth can help keep your hunger under control. It's important to avoid orange, red, or purple-colored foods that are found in certain flavors of sports drinks, gelatin, and popsicles.

What is the easiest prep to take for a colonoscopy? ›

What is the easiest prep to take for a colonoscopy?
  • A sulfate-free and flavored formula, such as NuLYTELY or TriLyte (PEG), for better taste.
  • A lower-volume formula, such as MiraLAX or Halflytely (PEG), so there's less to drink.

What foods are okay to eat 3 days before a colonoscopy? ›

OK to eat:
  • Breads and grains made with refined white flour (including rolls, muffins, bagels, pasta)
  • White rice.
  • Plain crackers, such as Saltines.
  • Low-fiber cereal (including puffed rice, cream of wheat, corn flakes)

How can you improve inadequate bowel preparation for colonoscopy? ›

In summary, according to the ASGE and ESGE current guidelines (Table 2), to achieve optimal bowel preparation, it should be taken into account that: (1) 1 day of low-residue diet may be enough for non-selected patients who undergo a colonoscopy; (2) a split-dose cleansing regimen is the most effective method for ...

What is a good last meal before a colonoscopy? ›

Instead, people can opt for white foods, such as white bread, pasta, and rice. People can also eat fruit without skin and canned or well-cooked vegetables without their skin. The day before a colonoscopy, people will need to stop eating solid foods and only consume clear liquids to clear the digestive tract.

How can I make my colonoscopy prep less miserable? ›

Here are some tips he regularly gives his patients:
  1. Try one of the new preps. ...
  2. Mix the colonoscopy prep with lemon-lime Gatorade or Crystal Light. ...
  3. Use a flavor packet. ...
  4. Drink it with a chaser. ...
  5. Chill it and shake it. ...
  6. Use a straw. ...
  7. Split-dosing the prep. ...
  8. Blot to avoid irritation.
Mar 31, 2023

What is the new alternative for colonoscopy prep? ›

What is the new alternative for colonoscopy prep? The United States Food and Drug Administration has approved SUTAB, which is a sulfate-based tablet.

What is the most pleasant colonoscopy prep? ›

PEG-based preps include GoLYTELY, MiraLAX, and MoviPrep. There are also sulfate-free PEG preps that some people prefer because they taste a little less salty. A few of these brands include NuLYTELY and TriLyte. (More details on the prep process below.)

Should I still be pooping the morning of my colonoscopy? ›

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.

How many people fail colonoscopy prep? ›

The rate of inadequate bowel preparation for colonoscopies in clinical studies is approximately 21%.

What happens if you don't poop enough before a colonoscopy? ›

Drinking the last half of the laxative closer to your procedure time will give better results and a cleaner colon for your procedure. If your bowels are not clean, your procedure may get postponed, cancelled, or need to be repeated. You may also be given a different bowel preparation to clean your bowels better.

What causes a bad prep for colonoscopy? ›

Diabetes, chronic constipation, a history of abdominal or pelvic surgery, and recent hospitalization are all risk factors for poor bowel cleansing quality. Gandhi et al[65] conducted a meta-analysis of independent risk factors in over 75,000 people receiving a split-dose bowel preparation.

How do you not starve during colonoscopy prep? ›

Low residue breakfast foods include eggs, white bread, cottage cheese, yogurt, grits, coffee, and tea. You may have clear liquids. Do not drink milk or eat or drink anything colored red or purple. Do not drink alcohol.

Can I take an appetite suppressant before colonoscopy? ›

Or if you are taking any Appetite Suppressants such as Contrave or Phentermine, please stop taking 7 days prior to procedure. You may take other regularly scheduled medications the morning of your procedure with a small sip of water.

How do you empty your stomach for a colonoscopy? ›

At 6 p.m., take 3 tablets of Dulcolax® laxative pill with water by mouth. At 8 p.m. the evening before your colonoscopy start drinking the Gatorade®/MiraLAX® solution. Drink one 8-ounce glass every 10 minutes until completed. You can continue to drink clear liquids until midnight.

What happens if you eat a little day before a colonoscopy? ›

In fact, multiple randomized, controlled studies have shown that allowing patients to eat the day before a colonoscopy improves prep tolerance, increases patient satisfaction, and improves willingness to repeat the test in the future.

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