Is Naproxen 500mg a street drug?

Yes. But... It is an anti inflammatory. It contains the same ingredient as Aleve but the pharmacology is slightly different. Sodium based. It effects the pain receptors of the central nervous system similarly to the way opiods do. However the pleasure centre is not at all effected. People who use it for pain find it very effective particularly people with arthritis, so, the pleasire centre of the brain may be naturally activated in some people who have been in pain for a long time and are feeling relief for the first time in a while. But to take it without being in mild to moderate pain the effect is zero. Use only as prescribed. Any increase in blood pressure or gastrointestinal discomfort should be reported to your doctor. If your doctor tells you to stop taking it return to a pharmacy. Do not flush in toilet.

Naproxen is Aleve. What she has though is prescription strength. you know how there is Ibuprofen 600 and 800 milligrams or tylenol 300, well this is just naproxen sodium 500 aka prescription strength Aleve. that's all. nothing more.

Can you get high off of it can you get can you it high off it

I don't know what a "large amount" is. naproxen has absolutely zero potential for abuse, addiction, recreation, is not a "street drug" of any kind. I could (along with many other meds) take a bottle of 300 about every 6 months though I avoid it. Prolonged use of a NSAID like naproxen (and other NSAIDS) can lead to heart problems or stroke though I would not be alarmed by that statement, it is uncommon and only with people who use mostly prescription dosages daily over a long period of time (twice the amount of the OTC naproxen). So, not to worry, relax, it is an appropiate pain reliever for headaches,after working out, aches and pains, back-ache etc - AND, it is a twice a day pill that is easier on the stomach than say ibuprofen or aspirin (both NSAIDS - non-steroidal-anti-inflamatory-drugs).

No, it is not a street drug.
Naproxen is a nonsteroidal anti-inflammatory drug (NSAID). It works by reducing hormones that cause inflammation and pain in the body.
Naproxen is used to treat pain or inflammation caused by conditions such as arthritis, ankylosing spondylitis, tendinitis, bursitis, gout, or menstrual cramps.

https://www.drugs.com/naproxen.html