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Hydrogen Breath Test
  • GLUCOSE HYDROGEN BREATH TEST
  • LACTULOSE HYDROGEN BREATH TEST
  • LACTOSE HYDROGEN BREATH TEST
  • FRUCTOSE HYDROGEN BREATH TEST
  • SORBITAL HYDROGEN BREATH TEST
  • XYLOSE HYDROGEN BREATH TEST

GLUCOSE HYDROGEN BREATH TEST

Both humans and bacteria absorb glucose. Glucose is absorbed within the first three feet of the SI, therefore if the bacterial gases of H and/or M are produced during this test, it reflects an overgrowth in the proximal/upper end of the SI (within the first two feet).

The advantage to this test is that it successfully and accurately diagnoses proximal overgrowth. The disadvantage is that it cannot diagnose distal overgrowth, occurring in the latter 17 feet of the SI, which is thought to be more common.

LACTULOSE HYDROGEN BREATH TEST

Humans can't digest or absorb lactulose. Only bacteria have the proper enzymes to do this. After they consume lactulose, they make gas. If there is an overgrowth, this will be reflected in the levels of H and/or M.

The advantage to this test is that it can diagnose overgrowth in the distal end of the SI, thought to be more common. The disadvantage is that it cannot diagnose bacterial overgrowth as well as the Glucose Breath Test (GBT).

Read this instructions at least 2 weeks before you come for your procedure.

WHY DO I NEED THIS TEST

This test will help us measure how much hydrogen and methane gas is in your breath. You may need this test if you :

  • Have diarrea, loose stools, bloating, gas, abdominal pain, nausea / vomiting.
  • Cannot drink milk or eat milk products

HOW DO I PREPARE FOR THIS TEST ?

  • Do not take any antibiotics within 2 weeks of the test.
  • Do not eat solid food for 12 hours before you have the test. Do not eat grain cereal(bran, rice, or oats) for at least 12 hours before your test.
  • You can drink water only up to 4 hours before your test.
  • Do not smoke for at least 1 hour before the test.
  • Arrive at the Digestive Health Center 15 minutes before your appointment.
  • Please limit the number of people you bring wit you to our waiting room.
  • Bring a list of current medications and medication allergies with you.
  • You may take your morning medications as usual with a siip of water.