Once your stoma has settled down and you are adding a greater selection of foods to your diet you will become aware that certain foods can alter your stoma output considerably, cause gas or pass through unchanged.

Some of these foods are listed below.

  • Beetroot = Changes the colour of the stoma output and could be mistaken for bleeding if unaware.
  • Peas & Sweetcorn  = Pass through completely unchanged.
  • Fizzy Pop & Beer = Cause excess Gas.
  • Nuts = Pass through completely unchanged, should be Chewed thoroughly


Wind is a normal by product of digestion but certain foods can cause more than others, as every individual responds differently to each food there is no hard and fast rule to this.

If you have a problem with wind, the foods in the list below are known to contribute to excessive wind.

  • Green vegetables, cauliflower, sprouts, beans, cabbage, Peas, Sweet corn, Baked beans, Onions, garlic, Mushrooms, cucumber, parsnip, swede, turnip.
  • High fibre starchy foods such as, wholemeal bread and wholegrain cereals.
  • Fizzy drinks including beer
  • Chewing gum


Diarrhoea can be caused by several factors, including illness, stress, diet and some medications.
If you have diarrhoea that you think is caused by illness, eg, a tummy upset, food poisoning and is very severe or persists for more than 24 hours it is important to seek medical advice from your GP.

Some type 2 diabetics who take metformin may find that this medication causes diarrhoea. You should inform your GP of this. Antibiotics can also cause diarrhoea.

Some people find that stress causes major problems with diarrhoea, consult your GP as Medication can be used to slow down bowel movement.

Stress management and relaxation classes may also help in managing stress and minimising its bowel effects.

For general diarrhoea there several simple things you can try, two of which are eating marshmallows / jelly babies or white rice and pasta.