Hi I Hv Acidity Issues Was On Neksium 20 First

Hi I hv acidity issues was on neksium 20 first then razo 20 then pantocid20 yesterday felt faintish and upper stress near neck and chills ..went to general physician he gv ranitidiene inj 50 mg 1 ml since then am not feeling fine took ondem 4 at night in morning puked white watery thing ...am feeling pukish from last 3 days at night ...doc asked me to take zofer 8 mg...what to do ? Please help as blood report shows 10.8 range anemic and ultrasound normal ?