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. 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.