Save up -80% on Lactulose

Note: this is a drug discount program, not an insurance plan.

RX BIN: 015558
Group ID: DDN6600
Card Holder ID: DDN6600

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2018 Price of Lactulose

Kristalose 10 gm packet



* price without discount in nearest pharmacy. Price may vary.

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Lactulose volume of distribution

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What is Lactulose

A synthetic disaccharide used in the treatment of constipation and hepatic encephalopathy. It has also been used in the diagnosis of gastrointestinal disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p887)

Lactulose mechanism of action

Lactulose is a synthetic sugar used in the treatment of constipation and liver disease. It consists of the monosaccharides fructose and galactose. In the colon, lactulose is broken down primarily to lactic acid, and also to small amounts of formic and acetic acids, by the action of via evolved-beta galactosidase from colonic bacteria, which results in an increase in osmotic pressure and slight acidification of the colonic contents. This in turn causes an increase in stool water content and softens the stool. In treating heptic diseases (hepatic encephalopathy) it is thought that lactulose draws out ammonia from the body in the same way that it draws out water into the colon.

Dosage forms of Lactulose

Liquidoral667 mg
Syrupmiscellaneous; oral667 mg
Syruporal; rectal10 g
Prescription Generics


International Brands



4-O-beta-D-Galactopyranosyl-D-fructofuranose 4-O-beta-D-Galactopyranosyl-D-fructose


Apotex Inc

CAS number






Affected organisms

Humans and other mammals

Indication of Lactulose

For the treatment of constipation and hepatic encephalopathy.

Toxicity of Lactulose

LD sub50 /sub=18.2 g/kg (oral, rat). Side effects include diarrhea and resultant dehydration.

RX24 Drugs Disclaimer: before buying a Lactulose on prescription, consult your healthcare provider. Content on this page is provided for informational purposes only. Any use of this information is at your own risk.

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