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A member asked:

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

A doctor has provided 1 answer
Dr. Martin Fried answered

Specializes in Nutrition

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.

Answered 12/19/2013

4.7k views

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