Naprosyn 500 Tablet is a pain relieving medication It provides relief from pain and inflammation in conditions like osteoarthritis rheumatoid arthritis ankylosing spondylitis gout and juvenile arthritis It also helps in relieving muscle and joint pain headache toothache and menstrual cramps Naprosyn 500 Tablet should be taken with food to avoid stomach upset and reduce side effects In general you should try to use the smallest amount necessary to control your symptoms for the shortest possible time You should take this medication regularly while you need it Try not to miss doses as it will become less effective if you do The most common side effects of this medication include indigestion abdominal pain nausea headache rash bruises and edema If any of these side effects do not resolve with time or get worse you should let your doctor know Your doctor may be able to suggest ways of preventing or reducing the symptoms