• Lactulose is a synthetic sugar used to treat constipation. It is broken down in the colon into products that pull water out from the body and into the colon. This water softens stools. Lactulose is also used to reduce the amount of ammonia in the blood of patients with liver disease.
• It works by drawing ammonia from the blood into the colon where it is removed from the body.

• This drug is used by mouth or rectally to treat or prevent complications of liver disease (hepatic encephalopathy). It does not cure the problem, but may help to improve mental status.
• Lactulose is a colonic acidifier that works by decreasing the amount of ammonia in the blood. It is a man-made sugar solution.

•  Diarrhea
•  Gas
•  Nausea

If you have any of the following symptoms, stop taking lactulose and call your doctor immediately:

•  Stomach pain or cramps
•  Vomiting
• Precautions

Before taking lactulose,

•  Tell your doctor and pharmacist if you are allergic to lactulose or any other drugs.
•  Tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially antacids,   antibiotics including neomycin (mycifradin), and other laxatives.
•  Tell your doctor if you have diabetes or require a low-lactose diet.
•  Tell your doctor if you are pregnant, plan to become pregnant, or are breast- feeding. If you become pregnant while taking   lactulose, call your doctor. If you are having surgery or tests on your colon or rectum, tell the doctor that you are taking   lactulose