Advertisement
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
LACTITOL (LAK ti tol) is a laxative. It is used to treat chronic constipation.
Advertisement
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
They need to know if you have any of these conditions:
Take this medicine mouth. Follow the directions on the prescription label. The bottle has a measuring cap that is marked with a line, or, use the packets to measure your dose. Add the powder in the cap to a full glass (4 to 8 ounces or 120 to 240 mL) of water, juice, soda, coffee or tea. Mix the powder well. Ensure that the powder is fully dissolved. Drink the solution. Avoid taking other oral medicines within 2 hours before or 2 hours after this medicine. Take your doses at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
Advertisement
NOTE: This medicine is only for you. Do not share this medicine with others.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Interactions are not expected. Take other medicines 2 hours before or 2 hours after this medicine to help avoid interactions.
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.
Drink plenty of water while taking this medicine. Drinking water helps decrease constipation.
Stop using this medicine and contact your doctor or health care professional if you experience any rectal bleeding or do not have a bowel movement after use. These could be signs of a more serious condition.
Side effects that you should report to your doctor or health care professional as soon as possible:
Side effects that usually do not require medical attention (report these to your doctor or health care professional if they continue or are bothersome):
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
Advertisement
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
Advertisement
Copyright ©2026 Elsevier Inc. All Rights Reserved.
Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.