I Am On Naproxen 500 Three Years Now For Arthrises

I am on naproxen 500 three years now for arthrises osthio I try to manage with one tablet per day. Up to about four months ago I had no problem that was annoying me I had sleep probes. Sweeting very bad from my scalp but then I started with short fuse angry all the time negitave thoughts sad etc I stopped the tabs for five days and low and behold I am normal happy again but my pains started again I had to take the tablet again I have been doing this ever since sept but it happens when I take one tablet and two msszsssssakes it much worse.please can you help me I am very upset.thank you in anticipation.