Acute acidity and belching with IBS -D.

Dear Dr,Mom ,age 55 had Covid in Dec and had taken tooany medicine...and post that severe acidity and diarrhoea.normally also motions were v frequent IBS syndrome She has GERD and IBS -D She is taking Stop IBS -Thrice before meals Takrarisht-Twice before meals Tab Bael -Himalaya-Twice after meals Motions are in control but too much acidity and passing of gas She then took praval panchamrut but gas was getting accumulated Then also took Gasex but did not suit her Currently due to gas and aacidity,she gets1) Joint pain and pain near intestine Motions are controlled but there is pain even if you touch with finger (left of naval) 2) severe burping 3) plz give something which will help with acidity and gas and motions simultaneously 4) there is heaviness in chest and headache only when gas is accumulated .gas goes up to chest and head and get headaches .cannot take too many medication as it would be heat for body . endoscopy ,stool test and thyroid is all ok