• 275 mg naproxen sodium is equivalent to 250 mg naproxen

• PO (Adults): Naproxen—250–500 mg twice daily (up to 1.5 g/day). Delayed-release naproxen—375–500 mg twice daily. Naproxen sodium—275–550 mg twice daily (up to 1.65 g/day)..

• PO (Children >2 yr): Analgesia: 5–7 mg/kg/dose q 8–12 hr. Inflammatory disease: 10–15 mg/kg/day divided q 12 hr, maximum: 1000 mg/day..

• PO (Adults): Naproxen—750 mg naproxen initially, then 250 mg q 8 hr. Naproxen sodium—825 mg initially, then 275 mg q 8 hr..

• PO (Adults): 200 mg q 8–12 hr or 400 mg followed by 200 mg q 12 hr (not to exceed 600 mg/24 hr)..

• PO (Geriatric Patients >65 yr): Not to exceed 200 mg q 12 hr..