200 mg Adult & adolescent from 14 yr 1 tab bid-tid (equiv to 400-600 mg/day).
Childn & adolescent 6-14 yr 1 tab bid (equiv to 400 mg/day).
Childn 2-5 yr ½ tab bid-tid (equiv to 200-300 mg/day).
600 mg Adult & adolescent from 14 yr ½ tab bid or 1 tab once daily (equiv to 600 mg/day). Duration of use: Not >4-5 days.