Lactulose is used to treat constipation.

Lactulose is not metabolised or absorbed by the body and the substance helps pull water into the colon, softening the stool. Lactulose also works by promoting peristalsis, pushing food through the digestive system.

Lactulose (67.0% w/v), lactose and galactose.

Adults:

Initially take 15-30ml daily for first 2-3 days (45ml may be given in obstinate cases) then 10-15ml daily or according to the need of the patient.

Children:

Initially take 10-25ml daily for first 2-3 days then 5-15ml daily or according to the need of the patient.

Dosage does not appear to be related to the age or weight of the child and should be adjusted to produce the required response.

Do not take Lactulose if you are Lactose intolerant.

Do not take if you have a blockage in your gut (intestinal obstruction).

Do not take if you are intolerant to any of the ingredient.

Get medical advice before taking lactulose if you have symptoms such as severe abdominal pain, feeling sick and vomiting, or rectal bleeding where you don't know the cause, as this could indicate that you have a more serious condition that needs investigating.

Always check with your doctor before giving Lactulose to children.

actulose isn't absorbed into the bloodstream and is not known to be harmful if used during pregnancy or breastfeeding. However, as with all medicines, you should get medical advice from your doctor before taking lactulose in pregnancy, or if you're breastfeeding.

The following are some of the side effects known to be associated with lactulose

Flatulence, this usually improves after the first few days of taking lactulose.

Feeling sick and vomiting. This can usually be avoided by taking the lactulose with water, fruit juice or a meal.

Abdominal cramps and diarrhoea. These usually only occur if the dose is too high.