275 mg: Each film-coated tablet contains: Naproxen Sodium 275 mg (equivalent to Naproxen 250 mg).
Naproxen Sodium (Sarimax) is a film-coated tablet which contains Naproxen Sodium, a Non-Steroidal Anti-Inflammatory Drug.
550 mg: Each film-coated Tablet contains: Naproxen Sodium 550 mg (equivalent to 500 mg of Naproxen).