As naproxen sodium, maximum 1.375 g on the first day; thereafter, 1.1 g daily.225 Maximum 1.65 g daily for limited period.230. Naproxen sodium for self-medication of minor aches and pain: Maximum 440 mg in 8–12 hours; 660 mg in 24 hours.200 Self-medication should not exceed 10 days.200....