Naproxen, sold under the brand name Aleve among others, is a nonsteroidal anti-inflammatory drug (NSAID) used to treat pain, menstrual cramps, and inflammatory diseases such as rheumatoid arthritis, gout and fever. [7] It is taken orally. [7] It is available in immediate and delayed release formulations. [7] Onset of effects is within an hour and lasts for up to twelve hours. [7] Naproxen is. Naproxen: learn about side effects, dosage, special precautions, and more on MedlinePlus Learn about side effects, dosage, uses, and more for naproxen, which is a generic prescription oral tablet that treats many conditions, such as arthritis. Naproxen is a common drug people use to treat pain and swelling. This article provides an overview of naproxen, including how it works, its uses, and more. El naproxeno sódico se utiliza para aliviar rápidamente el dolor y la inflamación leve o moderada en músculos, articulaciones, dientes, entre otros. La principal diferencia con el naproxeno normal radica en el tiempo de absorción, siendo el naproxeno sódico absorbido más rápido por el cuerpo. El uso de naproxeno en forma simultánea con inhibidores de la enzima convertidora de angiotensina puede asociarse con un riesgo mayor de insuficiencia renal. El probenecid prolonga la vida media sanguínea del naproxeno. Naproxen is a nonsteroidal anti-inflammatory drug used to treat pain or inflammation caused by conditions such as arthritis, ankylosing spondylitis, tendinitis.