Hello My Name Is Joseph I Am 39 Yrs Old,I've

Hello my name is Joseph i am 39 yrs old,I've been having acid reflux for several days the last few days it's gotten worse I was prescribed nexium but I felt worse I had to go to the ER and they prescribed me famotidine 20 mg, I've been feeling my throat kind of thin Also or feel difficulty to swallow,I burp sometimes or feel like it but can't I feel my stomach full also most of the time and pressure on upper part of abdomen,today I feel bloated.i have not been eating things that might cause acid,please tell me your expert opinion tks