This web site is intended for Australian residents and is not a substitute for independent professional advice. Information and interactions contained in this Web site are for information purposes only and are not intended to be used to diagnose, treat, cure or prevent any disease. Anaprox is a nonsteroidal anti-inflammatory drug (NSAID). It may cause an increased risk of serious and sometimes fatal heart and blood vessel problems (eg, a heart attack, stroke). DESCRIPTION. NAPROSYN tablets, EC-NAPROSYN (naproxen) delayed-release tablets and ANAPROX DS (naproxen sodium) tablets are nonsteroidal anti-inflammatory drugs available as follows: NAPROSYN tablets are available as yellow tablets containing 500 mg of naproxen for oral administration. Cornell Cooperative Extension is an employer and educator recognized for valuing AA/EEO, Protected Veterans, and Individuals with Disabilities, and provides equal program and employment opportunities. Pill with imprint ANAPROX DS SYNTEX is Blue, Elliptical / Oval and has been identified as Anaprox DS 550 mg. It is supplied by Roche Laboratories. Chronic use of naproxen can result in gastritis, ulceration with or without GI perforation, and/or GI bleeding, which can occur at any time, often without preceding symptoms. Get your questions answered about pain relief, Aleve products, and how to manage your pain to stay all day strong. Aleve is a non-prescription medication that is available over-the-counter and is indicated for the temporary relief of minor pain and inflammation. To maintain the integrity of the enteric coating, the EC-NAPROSYN tablet should not be broken, crushed or chewed during ingestion. Naproxen-containing products such as NAPROSYN, EC-NAPROSYN and ANAPROX DS, and other naproxen products Explains the medication naproxen (Aleve, Naprosyn, Anaprox, Naprelan) a drug used for the management of mild to moderate pain, fever, and inflammation. Article includes descriptions, uses, drug interactions, and side effects. Read more about naproxen (Aleve, Naprosyn, Anaprox, Naprelan).