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Lactose: A Test for Lactose Intolerance
Introduction
Lactose is a sugar found in milk and dairy products. Most people can digest lactose without any problems. However, some people have lactose intolerance, a condition in which the body cannot break down lactose properly. This can lead to bloating, diarrhea, gas, and abdominal cramps.
Test Overview
The lactose tolerance test is a blood test that can help diagnose lactose intolerance. It measures the amount of lactose in your blood after you have consumed a lactose-containing solution. If you have lactose intolerance, your blood sugar levels will not rise as much as they do in people who can tolerate lactose.
Conditions and Diseases Detected
The lactose tolerance test can help diagnose lactose intolerance, a common condition that affects about 1 in 5 people in the United States.
Symptoms
- Bloating
- Diarrhea
- Gas
- Abdominal cramps
What the Test Identifies
The lactose tolerance test can help identify people who have lactose intolerance. It measures the amount of lactose in your blood after you have consumed a lactose-containing solution. If you have lactose intolerance, your blood sugar levels will not rise as much as they do in people who can tolerate lactose.
Organs Tested
The lactose tolerance test assesses the function of the small intestine, responsible for breaking down lactose and other nutrients from food.
Keywords
- Lactose
- Intolerance
- Tolerance
- Test
- Small Intestine
- Bloating
- Diarrhea
- Gas
- Cramps
Preparation Guidelines
Before taking the lactose tolerance test, fast for at least 8 hours, avoiding food or drink except water.
Procedure
The lactose tolerance test is a simple and safe procedure that takes about 2 hours.
You will drink a lactose-containing solution. Your blood sugar levels will then be checked every 30 minutes for 2 hours.
Duration and Waiting Time
The lactose tolerance test takes about 2 hours to complete. Wait for the results of the test before you can eat or drink anything.
Additional Tests
Your doctor may recommend additional tests, including a hydrogen breath test or a stool test.
Conclusion
The lactose tolerance test can help diagnose lactose intolerance, a common condition that can cause various symptoms. Talk to your doctor if you think you may have lactose intolerance and whether the lactose tolerance test is right for you.
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