How long does naproxen work?
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Anna Lewandowska Pharmacist, Editor
2 years ago
According to the Summary of Product Characteristics, Naproxen reaches its maximum plasma concentration after 2-4 hours. The plasma half-life is from 12 to 15 hours, and the equilibrium state is reached within 3 days from the start of use. https://www.gdziepolek.pl/produkty/51529/naproxen-tabletki/apteki