PharmaNaproxen Sodium 220mg Caplets deliver up to 12 hours of pain relief per dose, making them an efficient choice for all-day management of headaches, minor arthritis, muscle aches, and menstrual cramps. The smooth-coated caplets are easy to swallow and begin working within 30 minutes of ingestion. As an NSAID, naproxen sodium also reduces fever and inflammation alongside its analgesic properties.