Dosage & Administration : Oral : Adults : 250 mg every 6 hours every 6 hours. The dose may be doubled in severe cases.
Children (2 - 10 years) : ½ of the adult dose; (1 measuring spoonful 6 hourly).
Children (under 2 years) : ¼ of the adult dose.
Injection : Adults : Usually 250 mg IM four times daily. Can also be administered intra-venously in a dose of 250 mg to 1 g four times daily. The dose may be doubled in severe cases
Children : Children up to 2 years of age may be given one quarter of the adult dose and those aged 2 - 10 years, one half of the adult dose.