Adults and adolescents (over the age of 12 years):
The usual initial dose is 400 mg and subsequently if necessary 200 to 400 mg every four hours with a maximum of 1200 mg in a twenty-four hour period.
If in adolescents this medicinal product is required for more than 3 days, or if symptoms worsen a doctor should be consulted.
Not recommended in children under the age of twelve years.