About Congenital lactase deficiency

What is Congenital lactase deficiency?

Congenital lactase deficiency is a rare inherited disorder in which the body is unable to digest lactose, a sugar found in milk and other dairy products. People with this disorder experience abdominal pain, bloating, gas, and diarrhea after consuming dairy products. Treatment involves avoiding dairy products and taking lactase enzyme supplements to help digest lactose.

What are the symptoms of Congenital lactase deficiency?

Symptoms of congenital lactase deficiency can vary from person to person, but may include:


-Abdominal pain



-Weight loss
-Lack of appetite
-Failure to thrive in infants

What are the causes of Congenital lactase deficiency?

Congenital lactase deficiency is caused by a genetic mutation that affects the production of the enzyme lactase, which is responsible for breaking down the sugar in milk. This mutation can be inherited from either parent, and is more common in certain ethnic groups, such as those of African, Asian, and Mediterranean descent.

What are the treatments for Congenital lactase deficiency?

1. Dietary modifications: The primary treatment for congenital lactase deficiency is to avoid dairy products and other foods that contain lactose. This includes milk, cheese, yogurt, ice cream, and other dairy products.

2. Lactose-free formula: If a baby is unable to breastfeed, a lactose-free formula can be used. This type of formula is made with a lactose-free milk substitute, such as soy or almond milk.

3. Lactase enzyme supplements: Lactase enzyme supplements can be taken before consuming dairy products to help break down the lactose.

4. Probiotics: Probiotics are beneficial bacteria that can help improve digestion and reduce symptoms of lactose intolerance.

5. Dietary supplements: Dietary supplements, such as calcium and vitamin D, can help ensure that a person with

What are the risk factors for Congenital lactase deficiency?

1. Family history of lactose intolerance or lactase deficiency
2. Premature birth
3. Low birth weight
4. Genetic mutations in the LCT gene
5. Exposure to certain medications or toxins in utero
6. Certain ethnic backgrounds, such as African, Asian, and Native American

Is there a cure/medications for Congenital lactase deficiency?

Yes, there is a medication available to treat Congenital Lactase Deficiency. The medication is called Lactaid, and it is a lactase enzyme supplement that helps to break down the lactose in dairy products. It is available over the counter and can be taken before consuming dairy products to help reduce symptoms.