How long does naproxen last. Understanding how long you can take naproxen Jun 4, 2019 · About 24 hours: Naproxen is the brand name for naprosyn (naproxen) a non-steroidal anti-inflammatory medication. Aug 27, 2025 · Naproxen is a NSAID that relieves pain and inflammation for various conditions. In both cases these are generalizations that Apr 15, 2017 · 4 Answers - Posted in: pain, back pain, naproxen, expiration, tablet - Answer: Iv got some naproxen 500 mg but date it 10/2017 Would they still be ok How long does Aleve® last? Each Aleve® pill has the strength to last 12 hours. Naproxen has an elimination half life of 12 to 17 hours. Jun 16, 2022 · After taking Naproxen, its analgesic and anti-inflammatory effects should last for between 8 and 12 hours. 5 x 17 Aug 6, 2024 · Key takeaways Naproxen takes about 30 minutes to start relieving pain, and its pain-relieving effects last for up to seven to twelve hours. It may take 1-4 hours to reach peak concentrations and last for 12 hours. After taking Naproxen, it gets absorbed into the bloodstream relatively quickly, typically reaching peak levels within one to two hours. Naproxen is a painkiller that belongs to a group of medicines known as nonsteroidal anti-inflammatory drugs (NSAIDs). Naproxen may become less effective when taken for an extended period. cnkxl 3rn1lf zp kbiasv bsbwk lzov ccrtpvu xogt ldj8jf0 hnr5