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A 17-year-old male asked:

I'm having a hydrogen breath test on monday what is it exactly and what should i do to prepare for it?

1 doctor answer1 doctor weighed in
Dr. Martin Fried
General Practice 36 years experience
Lactose intolerant: It tests for lactose intolerance and can also test for short bowel overgrowth of bacteria which can lead to excess gas production. Follow the instructions of your provider. Do not have anything to eat or drink before the procedure for 8 hours.

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A 45-year-old member asked:

How must I prepare for my hydrogen breath test?

1 doctor answer1 doctor weighed in
Dr. Gary Sandler
Dentistry 54 years experience
Ask...........: It is always best to ask the doctor ordering the test or the lab taking the test.
A 46-year-old member asked:

Why do they order hydrogen breath test?

1 doctor answer1 doctor weighed in
Dr. Frederick Shieh
Specializes in Gastroenterology
Few things: The hydrogen breath test is most commonly used to diagnose fructose and lactulose intolerance as well as small bowel bacterial overgrowth.
A 43-year-old member asked:

Why is hydrogen breath test performed?

1 doctor answer3 doctors weighed in
Dr. Yash Khanna
Family Medicine 57 years experience
LACTOSE,FRUCTOSE INT: This test is done to diagnose lactose and fructose intolerance small bpwel bacterial overgrowth other sugars malabsorption, like sucrose, mannitol, sorbitro, glucose and lactulose.

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Last updated Dec 19, 2013
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