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At a Glance
Why Get Tested?
When to Get Tested?
When you have symptoms such as abdominal pain, bloating, gas, and diarrhea after consuming milk and other dairy products
A series of breath samples exhaled into a collector, or a series of blood samples drawn from a vein in your arm
Test Preparation Needed?
Overnight fasting is required; nothing but water is permitted. Two weeks prior to the test, you must be off antibiotics and stomach medications, such as laxatives, antacids and stool softeners. Tell your healthcare practitioner about any other medications you are taking. Avoid strenuous activities. You may be instructed to brush your teeth and/or rinse your mouth with water prior to and during the breath test.