Lactose Intolerance (Types ,symptoms ,Causes ,Diagnosis ,Treatment and Dietary Recommendations):-

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 Lactose intolerance:-

WHAT IS LACTOSE?

                                             Lactose is the sugar that is present  in milk.

—Our bodies use an enzyme called lactase to break down that sugar so we can absorb it into our bodies.

—But people with lactose intolerance don’t have enough lactase. It’s produced in the small intestine.

 Even with low levels of lactase, some people can digest milk products just fine.

 —For people who are lactose intolerant, their low lactase levels gives them symptoms after they eat dairy.


 LACTOSE INTOLERANCE:-

 Lactose intolerance is the inability to break down a type of natural sugar called lactose. 

 —Lactose is commonly found in dairy products, such as milk and yogurt.

 •You become lactose intolerant when your small intestine stops making enough of the enzyme lactase to digest and break down the lactose.

 •Believe it or not, most adults around the world can’t digest milk -- 40% of humans stop producing enough lactase to digest milk between the ages of 2 and 5.


 

TYPES & CAUSES OF LACTOSE INTOLERANCE:-

There are four types of lactose intolerance, and they all have different causes.

1. Primary lactose intolerance 

—It is the most common form. Our bodies typically stop making lactase by about age 5 (as early as age 2 for African-Americans).
—As lactase levels decrease, dairy products become harder to digest. People with primary lactose intolerance make a lot less lactase.

 —That makes dairy products hard to digest by adulthood. It’s caused by genes and is common among people of an African, Asian, Hispanic, Mediterranean and southern European background.

—It’s less common if your heritage is from northern or western Europe.

That makes dairy products hard to digest by adulthood. It’s caused by genes and is common among people of an African, Asian, Hispanic, Mediterranean and southern European background.
—It’s less common if your heritage is from northern or western Europe.
 

 2. Secondary lactose intolerance:-

                                             —Happens because of an injury, illness or possibly a surgery. Any of these can affect your small intestine and cause you to make less lactase. 
  —Celiac disease and Crohn’s disease are two of the most common intestinal diseases linked to low lactase.

3. Developmental lactose intolerance:-

  —Happens in babies who are born prematurely.

  —It usually goes away on its own, lasting for only a short time after birth.

  4. Congenital lactose intolerance:-

 —is very rare and happens when no lactase (or a very small amount of it) is produced by the small intestine from birth.

 —It’s a genetic disorder, and both parents have to pass the gene on to their child.

 COMMON SYMPTOMS:- 

 These are many signs of lactose intolerance. How bad yours are depends on how much dairy you’ve had and how much tolerance you have.

—Upset stomach
—Bloating
—Gas
—Diarrhea
—Vomiting (sometimes)
—Flatulence

 If you get these about 30 minutes to 2 hours after you drink milk or eat dairy products, you should talk to your doctor. Lactose intolerance is just one of many things that can cause these symptoms.

Being lactose intolerant just means you don’t make enough of a certain enzyme that helps your body break down sugar in milk.

 —The sugar ends up in your colon rather than being absorbed into your bloodstream.

  And in the colon, it ferments and can cause these symptoms.

  —Millions of people are lactose intolerant. It can be managed, but it can’t be cured.


Self- Examination:-

                                                There are some steps you can take to test yourself:

 —Go without milk or milk products for a couple of weeks.

 —If your symptoms disappear, bring dairy products back into your diet a little at a time to take note of how you react.

 If your symptoms continue after cutting out the dairy -- or if they return -- see your doctor to find out what’s going on.

 

What to eat?

•Eat other foods that are high in calcium. If you're worried about getting enough calcium, try to eat more leafy green vegetables, nuts, seeds, beans, dried figs, oysters, and calcium-fortified juices and cereal.

 •Consider soy and rice milk as an alternative to cow's milk. They don't supply the same nutrients, but can be good substitutes if they're fortified with calcium and vitamin D and you're getting enough protein from other foods in your diet.

 Try imitation dairy products. Try soy cheese and non-dairy sour cream, whipped topping, and coffee creamer instead of the dairy originals.

 —Eat frozen products made from rice or soy milk instead of ice cream.

 —Use dairy products that have cultures in them, such as yogurt, buttermilk, and some cheeses. They have less lactose, and the cultures help your body digest the little bit that's there.



 

 

 

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