9.29LactoseIntolerance

9.29LactoseIntolerance - FYI- This is a previous learning...

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FYI- This is a previous learning issue done by someone in my last group. Lactose intolerance Inability to digest lactose due to decreased lactase activity in brush border of small intestine. Lactase is enzyme produced in small intestinal mucosa with peak activity in the mid jejunum. It breaks lactose into glucose and galactose for absorption in small intestine. Undigested lactose breaks down with carbs in distal ileum and colon producing hydrogen, methane, carbon dioxide and short-chain fatty acids which result in the symptoms below. Symptoms include: flatulence, bloating, nausea, cramps, abdominal pain and diarrhea and usually occur ½ to 2 hours after intake of food/drink containing lactose. Symptoms may also include and borborygmi. Symptoms overlap with Irritable Bowel Syndrome, so difficult to diagnose. 3 types- Congenital lactase deficiency – rare, presents within few days of birth with severe
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This note was uploaded on 02/18/2012 for the course PAS 600 - 601 taught by Professor Garrubba during the Fall '10 term at Chatham University.

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9.29LactoseIntolerance - FYI- This is a previous learning...

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