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How do I prepare for hydrogen breath test?

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Before the hydrogen breath test, tell your doctor if:

  • You have just had a colonoscopy; if so, you will need to wait a few weeks after the colonoscopy before this test can be performed.
  • You are pregnant, have a lung or heart condition, have any diseases, or if you are allergic to any medications

SOURCE: National Institute of Diabetes and Digestive and Kidney Diseases.

Reviewed by Melinda Ratini on October 24, 2017

SOURCE: National Institute of Diabetes and Digestive and Kidney Diseases.

Reviewed by Melinda Ratini on October 24, 2017

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What happens after hydrogen breath test?

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