Information, Symptoms, Treatments and Resources

Cup07290Kristalose 20 gram Oral Packet
Atx03600lactulose 10 gram/15 mL Oral Soln
Qlt13782lactulose 10 gram/15 mL Oral Soln
Btk05020Kristalose 20 gram Oral Packet
Pai05770lactulose 10 gram/15 mL Oral Soln
Atx03602lactulose 10 gram/15 mL Oral Soln
Qlt13781lactulose 10 gram/15 mL Oral Soln
Las07790lactulose 10 gram/15 mL Oral Soln
Alp13580Constulose 10 gram/15 mL Oral Soln
Qlt13780lactulose 10 gram/15 mL Oral Soln
Cup07190Kristalose 10 gram Oral Packet


This medication is a laxative used to treat constipation. It may help to increase the number of bowel movements per day and the number of days you have a bowel movement. Lactulose is a colonic acidifier that works by increasing stool water content and softening the stool. It is a man-made sugar solution.

Side Effects

Gas, bloating, burping, stomach rumbling/pain, nausea, and cramps may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor immediately if any of these unlikely but serious side effects occur: diarrhea, vomiting, muscle cramps/weakness, irregular heartbeat, mental/mood changes, seizures. A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
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This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.
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