Vomitting for months , still no help

im at wits end , ive made 5 different appointmwnrs with five different doctors they tell me its anxiety or acid reflux , since october ive been vomitting, having diahrrea and cant eat anything on and off , for the past 2 weeks , its been non stop i went to another doctor on friday and im still waitinf to hear back from him , 3 days now i cant sleep due to constant vomitting throughout the night i get lucky if i get to sleep for one whole hour straight . i dont know what to do ive been to the er and they tell me its anxiety, charge me 1,500$ and then send me home. if anybody knows any way to get attended immediately please let me know