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Low fibre diet for a Flexible Sigmoidoscopy or Colonoscopy

Low fibre diet before undergoing a Flexible Sigmoidoscopy or Colonoscopy

This information describes a low fibre diet for patients who need to take bowel preparations prior to Flexible Sigmoidoscopy or Colonoscopy

What is a low fibre diet?

A low fibre diet is made up of foods that are easily digested and absorbed, leaving a minimal residue of matter in the bowel.

PLEASE BEGIN A LOW FIBRE DIET 3 DAYS BEFORE STARTING THE PRESCRIBED BOWEL CLEANSING MEDICATION!
(You will receive a prescription for this if you have not received one already.)

The following information can be used as a guide to a low fibre diet:

TYPE OF FOOD FOOD PERMITTED FOOD TO AVOID
Bread and cereals Cornflakes           White Bread
Rice Krispies       Bagels
Special K             White Pitta Bread                  Naan, plain, Chapatti
Pancakes
Poppadoms        Corn /White Flour
Wholemeal, Granary, Rye,
Fruit/Nut Breads, Fruit Muffins
Fruit Scones
Wholegrain Cereals including All Bran, Weetabix, Porridge Oats and  Muesli
Main meals White Rice         Clear Soup
Pasta                  Steamed Fish
Noodles              Tender Meat
Eggs                    Chicken
Tofu
Sausages, Salami
Battered Fish
Pies
Brown Rice
Fruit and vegetables Mashed Potato
Well Cooked and Sieved Vegetables (no peel)
Pureed Pumpkin or Pureed Carrot
Tinned Fruit
Fresh Fruit ‚Äď no Skin or Seeds
All Fruit and Vegetable Skins,- Stalks, Seeds Peel and Stones
All Dried Fruit/ undercooked Vegetables
Beetroot, Sweetcorn, Cabbage,
Peppers, Tomato, Cucumber, Pulses – Beans, Peas, Lentils
Desserts Plain Crackers    Rice Crackers
Custard               Milk Pudding
Jelly                     Plain Yoghurt
Ice cream            Plain Cakes
Meringues           Boiled Sweets
Sweet Biscuits such as Rich Tea
Ice Cream containing Fruit/Nuts
Dried Coconut
Cakes, Puddings or Pies containing Wholemeal Flour, Dried Fruit, Nuts, Coconut
Extras Honey              Golden syrup
Lemon Curd     Marmite/ Vegemite
Clear Jams       Butter
Cream              Cheese
Salt, Pepper, Vinegar
Stock Cubes     Sugar
Chocolate,
Toffee
Popcorn
Crisps
Marmalade with peel
Drinks Tea                     Lemonade
Coffee                Soft drinks/cordial
Milk
Strained fruit /vegetable juice
No red or purple coloured Drinks
ie Blackcurrant
Smoothies
‚ÄėClear fluids‚Äô to drink once bowel preparation has commenced Coffee or Tea (small amount of skimmed milk)
Diet Soft Drinks: with artificial sweetener
Clear Soups
Clear Fruit Juice ie: Apple/White Grape
Water – Orange or Lemon Squash may be added
See above

Suggested meal plan

Breakfast Cornflakes, Rice Krispies or special K
White Bread or white toast with butter or margarine, seedless Jam, or cheese.
Boiled/poached/scrambled Egg and white toast
Smooth fruit juice
Mid-morning snack Peeled Fruit/ Tinned Fruit with Plain Yoghurt
Lunch Jacket Potato (no skin) with tuna
Egg/Cheese/Meat ‚ÄďSandwich (white bread)
yoghurt/jelly/vanilla ice cream
Mid-afternoon Biscuits e.g. Rich Tea/Shortbread/Jaffa Cake
Evening meal Meat/poultry/fish/ egg
Mashed potatoes/ white rice/pasta
Vegetables suggested from list above
Plain yoghurt/milk pudding/plain sponge/custard

Please choose some foods from the suggested meal plan above or
choose from the guide table.

Please remember to keep portion sizes small and light.

It is very important to remember that after starting drinking your bowel preparation

YOU MUST NOT EAT ANY MORE UNTIL AFTER YOUR PROCEDURE IN ENDOSCOPY

Contacts

If you have any questions about the information given above please call one of the following teams:

  • Medicines Helpline (9am-4pm) 01296 838220
  • Stoke Mandeville Hospital Endoscopy Unit (9am-5pm) 01296 315220
  • Wycombe Endoscopy Hospital Unit (9am-5pm) 01494 425710

Further information

See also information from our Nutrition and Dietetics team with further information about low fibre diets.