Naprojan 500 Tablet is a pain-relieving medicine. 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. Naprojan 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 medicine 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 medicine 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.This medicine is generally considered safe but is not suitable for everybody. Before you take it, you should tell your doctor if you have kidney problems, asthma, blood disorders, or drink a lot of alcohol. Also, tell your doctor what other medicines you are taking to make sure you are safe. It is best to avoid drinking alcohol while using this medicine.