Hydrogen Breath Test Patient Preparation

1 week before your test:

  • NO Oral and IV Antibiotics or probiotics (no yoghurt). Skin creams, eye and ear drops are OK.
  • NO Colonoscopy or Barium Meal Enema procedures.

1 full day before your test:

✓ YOU CAN ONLY HAVE

Lactose free milk
Black tea or coffee (no sugar)
Water or soda water
Eggs
Chicken, without the skin
Steamed or grilled fish
Meat, but no processed meat and no flavourings (e.g. no sausages or bacon)

☒ YOU CANNOT HAVE

× NO Milk and Dairy Products. Lactose-free milk (eg. Zymil®), soy milk, and rice milk are OK
× NO Canned Fruit or Honey
× NO Garlic or Onion
× NO Fruit or Vegetables
× NO Fruit Juice, Soft Drinks, Sports Drinks and Alcohol
× NO High Fibre Foods (eg. no bread, rice, pasta, cereal, beans & legumes, bran, oats)
× NO Fibre Supplements (eg. Metamucil®)
× NO Laxatives
× NO Tofu
× NO Processed Meat
× NO Flavourings (e.g. no salt or pepper)

FAST from 9pm the night before test:

You may continue to drink plain water leading up to the test.

On the morning of your test:

  • NO Smoking and Continue to Fast. Brush your teeth thoroughly with water ONLY (no toothpaste)
  • Continue to take your normal medication with plain water.
  • Refrain from physical exercise for 1 hour before your test.
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