Acute Diarrhoea: Adults and children over 12 years: two capsules should be taken initially followed by 1 capsule after each period of diarrhoea up to a maximum of 8 capsules a day. The usual daily dosage is 3 to 4 capsules.Irritable Bowel Syndrome: Two capsules should be taken initially. The usual daily dose is 2 to 4 capsules in divided doses. The maximum daily dose is 8 capsules.Loperamide is not recommended for children under 12 years.