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Jackson, MS
A 38-year-old male asked:

what is lactulose?

2 doctor answers5 doctors weighed in
Dr. Colin Kerr
Family Medicine 44 years experience
Lactulose: From wikipedia: lactulose (/ˈlæktjʉloʊz/) is a synthetic, non-digestible sugar used in the treatment of chronic constipation[1] and hepatic encephalopathy, a complication of liver disease. It is a disaccharide (double-sugar) formed from one molecule each of the simple sugars (monosaccharides) fructose and galactose. It is produced commercially by isomerization of lactose.
Dr. Andrew Turrisi
Radiation Oncology 47 years experience
A very syrupy, BIG: Gun laxative. At is a complex, non-absorable sugar as described by dr. Kopes-kerr, but I use it in patients with bad, multiple day no bm constipation. Don't confuse with lactose, the sugar in milk, and many are intolerant of it, causing flatulence and cramping.

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A 31-year-old member asked:

What are the side effects of lactulose?

1 doctor answer2 doctors weighed in
Dr. Katharine Garnier
Family Medicine 33 years experience
Gi: This is used for a variety of conditions but can cause nausea/bloating/vomiting/severe diarrhea/intestinal cramps and abdominal distention, as well as complications from excessive diarrhea if excessive amounts are used.
A 37-year-old member asked:

What're the adverse effects of lactulose?

1 doctor answer1 doctor weighed in
Dr. Abdullah Mubarak
Hepatology 28 years experience
Bloating: Abdominal bloating, cramps and loose bowel movements. Some patients do not like the sweet taste.
A 41-year-old member asked:

Why are alcoholics given lactulose?

1 doctor answer2 doctors weighed in
Dr. ASHRAF MALEK
Specializes in Internal Medicine
For confusion: Alcoholics, who develop cirrhosis can have "encephalopathy", which is predominantly due to high ammonia. This can cause several symptoms, such as forgetfulness, low concentration, change in sleep, confusion, etc. These symptoms can be treated with lactulose.
A 34-year-old member asked:

Side effects of lactulose breath test?

1 doctor answer1 doctor weighed in
Dr. Andrew Seibert
Gastroenterology 35 years experience
Lactulose : Other than possible mild diarrhea from the lactulose itself, not lasting more than 1 to 2 days, there are not usually any side effects from the lactulose breath test. Good luck.
Hong Kong
A 22-year-old male asked:

Would lactulose itself cause sibo?

1 doctor answer1 doctor weighed in
Dr. Donald Colantino
Internal Medicine 61 years experience
bacteria love lactulose but I'm not sure whether constant use causes overgrowth of the " bad bacteria" in the small intestine. I would be interested in an answer from a gastroenterologist.

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Last updated Feb 10, 2017

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