For healthcare professionals

Acton®

Lactulose 3.3 g/5 mL oral solution (0.66 g/mL). An osmotic laxative for constipation and hepatic encephalopathy. Titrate to 2–3 soft stools a day.

3.3 g / 5 mL1–3 mL/kg/day
Acton lactulose 3.3 g/5 mL carton and bottle

Patient details

1306090120 kg
kg
Indication
1–3 mL/kg/day ≈ 0.7–2 g/kg/day, in 1–2 doses.
Doses per day

How it works

  • Osmotic laxative for acute and chronic constipation; effect in 24–48 h.
  • In hepatic encephalopathy it reduces absorption of ammonium and other toxic nitrogenous compounds.
  • Can be mixed with water, juice or milk.

Key cautions

  • Contraindicated in galactosaemia and GI obstruction.
  • Contains lactose and galactose: caution in lactose intolerance and diabetes.
  • Flatulence and cramps are common early; reduce the dose if diarrhoea occurs.