Brand Names

Cholac® Syrup, Chronulac® Syrup, Constulose®, Enulose®, Generlac® There may be other brand names for this medication.

How is it Administered?

Lactulose comes as liquid to take by mouth.

What is it Used For?

Lactulose is a synthetic sugar used to treat constipation. Lactulose is also used to reduce the amount of ammonia in the blood of patients with liver disease.

How Does it Work?

Lactulose is a synthetic sugar that breaks down in your colon into products that pull water from the rest of your body into your colon. This water softens stools and decreases constipation. Also, these products pull ammonia from the blood into the colon where it is removed from the body.

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