Frequent cough with gastritis &pale eyes

..my mom who is 57 yrs She has normally 6-7motions every day from many years ...showed man,ier Dr's they said some ppl pass manier times so it's ok .During covid she took manier medications without antacid which gave rise to severe acidity and dysepsia, sour beclhes and lot of flatulence and bloating .In the last 1 yearits become v severe and come to the backside of the throat and alot of frequent coughing while eating  sleeping..pain in the left side of the belly Also coming in vomiting Plz advise sir what to do as I'm v worried .had done chest xray which says normal . ..in history is hernia surgery is done in 2007 AAlso I have noticed her eyes to be pale Could it be something to do with the lever and the cough is almost all day and night