Under My Right Rib Cage Hurts ..im Belching And Very

Under my right rib cage hurts ..im belching and very constipated...it makes me very nausea...like i could throw up ...i have been to stomach Dr before was taking 6 Medicine..been through numbers of testing had my gall bladder check ..been through test after test ...up my butt down my throat and i have no answer why im in pain like this ....i need help