G/f went to the doctors w/ back neck stomach and headache they put her on hydros and finnergan now she is throwing up everything any suggestions?

STOP 'Hydro's' , ER? Hydrocodone can cause stomach (G.I.) upset, however the Phenergan (promethazine) should help the nausea. You may need to take her to er so she may get I.V. Fluids/meds and 'get turned around'. Another reason to get see: she may have a more serious diagnosis.