About lactulose concentra te
Osmotic laxative
Used for
- Treats constipation by softening stools
- Prevents or treats hepatic encephalopathy
Usual adult dose
Constipation: 15–30 mL once daily, adjusted to response. Hepatic encephalopathy: 30–45 mL three or four times daily.
Usual dose in children
Constipation: infants under 1 year, up to 5 mL daily; ages 1–6, 5–10 mL daily; ages 7–14, 10–15 mL daily.
Common side effects
- Gas and bloating
- Abdominal cramps
- Diarrhea
- Nausea
Important warnings
- Excessive use may cause dehydration or mineral imbalance.
- Avoid with bowel obstruction or galactosemia.
- Seek medical assessment for persistent constipation or severe abdominal pain.
Pregnancy
Generally considered suitable during pregnancy because little is absorbed; use as directed.
Breastfeeding
Generally considered suitable; little is expected to pass into breast milk.
Interactions
- May increase potassium loss with other laxatives or diuretics.
- May reduce the effect of medicines requiring an acidic colon, such as mesalazine.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.