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Lactose Intolerance Center - Duluth, MN

Duluth Gastroenterologist Doctors for Lactose Intolerance

Type of Physician: Gastroenterologist

What is a Gastroenterologist?

A subspecialty certification by the Board of Internal Medicine; practitioners focus on the stomach, intestines, colon, liver, and gallbladder (digestive organs). The gastroenterologist treats conditions such as abdominal pain, ulcers, diarrhea, cancer, and jaundice and they consult with surgeons when abdominal operations are indicated.

Specialty: Gastroenterology

Common Name: GI Doctor

Gastroenterologist Doctors in Duluth *

Duluth Clinic
Johannes Aas
400 E 3rd St
Duluth, MN 55805
(218) 722-8364

Duluth Clinic
Johan S Bakken
400 E 3rd St
Duluth, MN 55805
(218) 722-8364

Duluth Clinic
Robert V Erickson
400 E 3rd St
Duluth, MN 55805
(218) 722-8364

Duluth Clinic
Teresa Smith
400 E 3rd St
Duluth, MN 55805
(218) 722-8364

Duluth Clinic
Steven J Squillace
400 E 3rd St
Duluth, MN 55805
(218) 722-8364

Duluth Clinic
Michael D VanNorstrand
400 E 3rd St
Duluth, MN 55805
(218) 722-8364

St Luke's Hospital and Regional Trauma Center
Agata Bednarz
915 E 1st St
Duluth, MN 55805
(218) 249-5555

Northland Gastroenterlogy PA
Daniel McKee
1420 London Rd
STE 202
Duluth, MN 55805
(218) 724-3411

Duluth, Minnesota

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Lactose Intolerance

What is lactose intolerance?

Lactose intolerance is the inability to digest and absorb lactose (the sugar in milk) that results in gastrointestinal symptoms when milk or food products containing milk are consumed.

What causes lactose intolerance?

Lactose is a large sugar molecule that is made up of two smaller sugars, glucose and galactose. In order for lactose to be absorbed from the intestine and into the body, it must first be split into glucose and galactose. The glucose and galactose are then absorbed by the cells lining the small intestine. The enzyme that splits lactose into glucose and galactose is called lactase, and it is located on the surface of the cells lining the small intestine.

Lactose intolerance is caused by reduced or absent activity of lactase that prevents the splitting of lactose (lactase deficiency). Lactase deficiency may occur for one of three reasons, congenital, secondary or developmental.

Congenital causes of lactose intolerance

Lactase deficiency may occur because of a congenital absence (absent from birth) of lactase due to a mutation in the gene that is responsible for producing lactase. This is a very rare cause of lactase deficiency, and the symptoms of this type of lactase deficiency begin shortly after birth.

Secondary causes of lactose intolerance

Another cause of lactase deficiency is secondary lactase deficiency. This type of deficiency is due to diseases that destroy the lining of the small intestine along with the lactase. An example of such a disease is celiac sprue.

Developmental causes of lactose intolerance

The most common cause of lactase deficiency is a decrease in the amount of lactase that occurs after childhood and persists into adulthood, referred to as adult-type hypolactasia. This decrease in lactase is genetically programmed, and the prevalence of this type of lactase deficienc...

Recommended Reading Related to Lactose Intolerance

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Introduction to birth control types and options

If a woman is sexually active and she is fertile — physically able to become pregnant — she needs to ask herself, "Do I want to become pregnant now?" If her answer is "No," she must use some method of birth control (contraception).

If a woman does not want to get pregnant at this point in her life, does she plan to become pregnant in the future? Soon? Much later? Never? Her answers to these questions can determine the method of birth control that she and her male sexual partner use — now and in the future.

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Emergency Contact for Duluth

  • In case of Emergency, call 911

Nearby Duluth Hospitals *

Miller-Dwan Medical Center
502 E Second St
Duluth, MN 55805
(218)727-8762

St Mary's Duluth Clinic Health System
407 E Third St
Duluth, MN 55805
(218)786-4000

St Luke's Hospital
915 E 1st St
Duluth, MN 55805
(218)249-5555

St Mary's Hospital Superior
3500 Tower Ave
Superior, WI 54880
(715)395-5400

Cloquet Community Memorial Hospital
512 Skyline Blvd
Cloquet, MN 55720
(218)879-4641

Lake View Memorial Hospital
325 11th Ave
Two Harbors, MN 55616
(218)834-7300

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