Suggest Treatment For Chronic Cough And Rib Cage Pain

I am kala Stewart, i have a cough over 6 weeks now , visit the doctor 3 times from then, 3 diffrent medication, the cough is not that bad now but my ribs hurt realy bad, i feel the pain when i breathe in and out, when I get up from lying down, done 2 xray but they say its ok, but the pain is still there even worse