Some tests can help your doctor check for lactose intolerance. These may include: Lactose tolerance test. This test checks how your digestive system absorbs lactose.
You will be asked not to eat or drink anything for about 8 hours before the test. This often means not eating after midnight. For the test, you will drink a liquid that contains lactose. Some blood samples will be taken over a 2-hour period.
These will check your blood sugar blood glucose level. Hydrogen breath test. You will drink a liquid containing a lot of lactose. Your breath will be checked several times. High levels of hydrogen in your breath may mean you are lactose intolerant. Stool acidity test. This test is used for infants and young children. It checks how much acid is in the stool. If someone is not digesting lactose, their stool will have lactic acid, glucose, and other fatty acids. Foods to Avoid if You Have IBS While lactose intolerance and irritable bowel syndrome IBS are two different conditions, both can cause similar symptoms for people who drink milk or eat milk products.
Read More. How is lactose intolerance treated? Here are some tips for managing lactose in your diet: Start slowly. Try adding small amounts of milk or milk products and see how your body reacts. Have milk and milk products with other foods.
You may find you have fewer symptoms if you take milk or milk products with your meals. Try eating cheese with crackers or having milk with cereal. Eat dairy products with naturally lower levels of lactose. These include hard cheeses and yogurt. Look for lactose-free and lactose-reduced milk and milk products. These can be found at many food stores. Some kids and teens might need calcium and vitamin D supplements.
Reviewed by: J. Fernando del Rosario, MD. Larger text size Large text size Regular text size. What Is Lactose Intolerance?
What Happens in Lactose Intolerance? Besides age, people can become lactose intolerant due to: Ethnic background. People of Asian, African, Native American, and Hispanic backgrounds are more likely to develop lactose intolerance at a young age. Other problems with the digestive tract.
People who have inflammation of their upper small intestine, such as celiac disease or Crohn's disease, have less of the lactase enzyme. Some antibiotics can trigger temporary lactose intolerance by affecting how the intestine makes lactase. After having diarrhea, some people have a temporary lactose intolerance that usually gets better after a few days or weeks.
Usually within 30 minutes to 2 hours after eating, someone with lactose intolerance will have: nausea stomach cramps bloating gas diarrhea How Is Lactose Intolerance Diagnosed? How Is Lactose Intolerance Treated? What About Calcium? They also can eat non-dairy products like: calcium-fortified juice or soy milk green, leafy vegetables like broccoli, collard greens, kale, and turnip greens beans salmon almonds soybeans dried fruit tofu Talking to a registered dietitian is a good idea.
How Can Parents Help? To help your child deal with lactose intolerance: Buy lactose-reduced or lactose-free milk and calcium-fortified juices. Remind your child to take a lactase enzyme supplement such as Lactaid right before eating dairy products.
These come as drops or tablets that can even be added to milk. Serve a variety of dairy-free foods that are rich in calcium, such as broccoli, beans, tofu, or soy milk. Buy hard cheeses such as cheddar, which are lower in lactose. People can manage lactose intolerance by not drinking as much milk and eating fewer dairy products.
Most can eat a small amount of dairy. But they need to eat it with other foods that don't contain lactose and not eat too much dairy at once. You may find that other dairy products, such as yogurt and cheeses, are easier to digest than milk. Lactose-free milk is also a great way to get calcium in the diet without the problems.
It can also help to keep a food diary to learn which foods you can or can't tolerate. A lactase enzyme supplement can help too. Taking this before you eat foods that contain dairy helps your body digest the lactose sugar in dairy and prevent pain, cramping, bloating, gas, and diarrhea. Dairy foods are the best source of calcium , a mineral that's important for bone growth.
Because teens need about 1, milligrams mg of calcium each day, experts recommend that even those with lactose intolerance include some dairy in their diet. Talking to a registered dietitian is a good idea. They're trained in nutrition and can you come up with eating alternatives and develop a well-balanced diet that provides lots of calcium for developing strong bones. Some teens might need calcium and vitamin D supplements. Reviewed by: J. Fernando del Rosario, MD.
Larger text size Large text size Regular text size. What Is Lactose Intolerance? What Happens in Lactose Intolerance? Besides age, people can become lactose intolerant due to: Ethnic background. People of Asian, African, Native American, and Hispanic backgrounds are more likely to develop lactose intolerance at a young age. Other problems with the digestive tract. People who have inflammation of their upper small intestine, such as celiac disease or Crohn's disease, have less of the lactase enzyme.
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