What is this medicine?
LACTULOSE (LAK tyoo lose) is a laxative derived from lactose. It helps to treat chronic constipation and to treat or prevent hepatic encephalopathy or coma. These are brain disorders that result from liver disease.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
COMMON BRAND NAME(S): Acilac, Cephulac, Cholac, Chronulac, Constilac, Constulose, Enulose, Generlac
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
- need a galactose-free diet
- scheduled for surgery
- an unusual or allergic reaction to lactulose, other sugars, medicines, foods, dyes or preservatives
- pregnant or trying to get pregnant
How should I use this medicine?
Take this medicine mouth. Follow the directions on the prescription label. Shake well before using. Use a specially marked spoon or container to measure your medicine. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take your doses at regular intervals. Do not take your medicine more often than directed.
You may be directed to take this medicine rectally. If so, you must follow specific directions from your doctor or healthcare professional. Please contact him or her.
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.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
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.
What may interact with this medicine?
- other laxatives
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.
What should I watch for while using this medicine?
This medicine may not produce any result for 24 to 48 hours. Do not take this medicine for longer than directed by your doctor or health care professional.
Drink plenty of water with each dose of this medicine.
What side effects may I notice from receiving this medicine?
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 to your doctor or health care professional if they continue or are bothersome):
- belching, flatulence
- nausea or vomiting
- stomach pain or discomfort
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.
Where should I keep my medicine?
Keep out of the reach of children.
This medicine may darken in color under normal storage conditions. This is because of the sugar solution and does not affect the way the medicine works. If the solution becomes extremely dark in color, contact your health care professional before use.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Do not freeze. Keep container tightly closed. Throw away any unused medicine after the expiration date.
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.
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