What Causes Pain In Right Hip Inspite Of Taking Naproxen And Tramadol?

I have had pain in my right hip for a month now I do not understand the reason. I know that I have not been doing a lot of physical activities I am now limping when I walk pain med naproxen 500 mg 600 Ibprof nor tramadol does not relieve the pain what is wrong with me? I am 47 and no drinking or smoking ever