This will lead to a greater amount of hydrogen on your breath than usual.įructose breath test. If your body can't digest the lactose, the bacteria in your gut will break it down instead. Then your doctor will measure the hydrogen output in your breath at regular intervals throughout your digestion process. To take a lactose breath test, you'll first drink a beverage with lactose. A small number of people are born without the ability to digest milk products. Many people have difficulty digesting it, and it gets more difficult as they age.
Nor can you get a breath test within four weeks of receiving a colonoscopy. Typically, you shouldn't take any antibiotics for four weeks before taking one of these tests. You shouldn't smoke for two hours before the test. They will also let you know if it is safe to take your usual medications before this test. Which one you receive depends on the condition your doctor is trying to diagnose.ĭepending on which test you're taking, your doctor may ask you to eat a lower-carbohydrate diet for a few days. There are a few different types of hydrogen breath tests. This test can help show whether that is happening. IBS and celiac disease can stop your ability to fuel your body with carbohydrates, which may lead to malnutrition. Diagnosis of irritable bowel syndrome (IBS).Your doctor may recommend this type of test if you have any of the following: Who Is a Good Candidate for a Hydrogen Breath Test? Unless you're one of those people, a hydrogen breath test can be an easy, noninvasive, and cost-effective way to measure your digestive health. Then there is a small percentage of the population, fewer than 2% of people, who never produce any hydrogen or methane in their breath. Since most people typically have very little hydrogen in their breath, an "unusual level" of hydrogen covers a lot of ground. Too much bacteria is living in your belly, a situation called small intestine bacteria overgrowth (SIBO).You can't properly break down certain sugars, particularly lactose and fructose, in your small intestine.Your body will produce unusual levels of hydrogen or methane if:
These tests work by measuring levels of hydrogen and possibly methane in your breath. Scientists first designed them to diagnose lactose intolerance. Hydrogen breath tests have been in use since the 1970s. He created breath tests to diagnose them. Hippocrates, whom many call the "father of modern medicine," noted conditions that brought about changes in the smell of someone's breath. It may tell you if you have too much bacteria in your gut, if you are lactose intolerant, or if you are fructose intolerant.īreath tests used for medical purposes were known even in ancient Greece. A hydrogen breath test can help determine if you have one of a few conditions that can affect your digestive health.
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