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Day before the test: breakfast, lunch and daytime snacks
Please do not eat anything other than the list of acceptable foods or we may not be able to complete your test.
Acceptable foods
- plain beef, chicken, pork, fish, tofu, poached or boiled eggs (no sauces or marinades)
- white bread, cereal, white pasta, white rice (ensure there is NO added fiber in all products)
- vegetables: carrots, zucchinis, peppers, potatoes and peeled cucumbers
- fruit: oranges, cantaloupe and ½ cup of tomatoes
- unsweetened rice milk, water
Unacceptable foods
- legumes (chick peas, lentils, beans)
- whole grain products (bran cereal, whole wheat bread)
- vegetables such as spinach, broccoli, cauliflower, cabbage, brussel sprouts, onions and garlic
- fruits such as dried raisins, prunes, figs, and dried apricots
- nuts and seeds
- milk, almond milk, yogurt, cheese, creams,
- butter, and margarine
- juice, coffee, and tea
Evening before the test: supper and early evening snacks
Your only options are:
- plain ground beef, plain skinless chicken or turkey breast, plain tofu
- boiled or poached eggs
- plain white rice
- unsweetened rice milk, water
You can have as much as you want. You can add some salt and pepper but do not use any oils, butter, ketchup, mustard, gravy, sauces (including soya sauce), buns, bread or breading.
After 8pm (12 hours before the test) do not: • have anything to eat
• drink fluids (except water)
• smoke (even second hand smoke)
• do any vigorous exercise
Morning of the test
Do not:
- eat breakfast
- brush your teeth
- chew gum
- use breath mints
During the test
What to expect
- The test takes 3 to 4 hours.
- First, we will give you a mouthwash to gargle your mouth
- You will drink a solution that contains a lot of either lactose, fructose or glucose.
- Then, you will have to breathe in a small bag every 20 to 30 minutes for the next three to four hours.
During the test, do not:
- eat food
- drink fluids (except water)
- smoke
- do any vigorous exercise
- sleep
Please report any symptoms of bloating, vomiting or diarrhea to the nurse.
Important information
- If you use antibiotics within four weeks of the test, it will need to be rescheduled.
- Test will be delayed or rescheduled 2 weeks after a colonic cleansing for endoscopic procedures.
- Stop Probiotics, Laxatives (E.g. Restorolax, Senokot, Lactulose, Fleet enema, docusate sodium), Prokinetics (E.g. Metoclopramide, Domperidone) 24 hours before the test.
- If you test positive for this test, the clinic will contact you for further instructions.
Your appointment for the breath hydrogen test is scheduled for:
Time: 7:45 am
Location: C3 Clinic
Your care provider will check off which of the following apply to you:
Lactose:
Fructose:
Glucose:
For more information or to cancel/reschedule your appointment, call:
613-737-7600 ext. 1538
You can also reach the nurse through MyChart.