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 – 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 |
‘Clear fluids’ 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 –Sandwich (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.