Issue clarification and treatment advise

Dr My mother ,age 55 Have the following symptoms after covid from.jan till date She was treated for covid at home but meds were quite a few.shentakes temsi am for high BP and is Thalassemia minor Current symptoms: 1)There is pain even if you touch with finger (left of naval) at times ..also pain in naval till centre of chest at times .the entire centre line 2) Severe Burping and flatulence 3) There is heaviness in chest and choked feeling and headache and throat (cough ) at times a d feels speechless  only when gas is accumulated 4) Chills and hot flushes Please give something that  will help with Acidity ,gas and motions and as discussed sir Pre covid also she used to get hot flushes every year due menopause mainly in summers .and pre covid also she had frequent motions like IBS syndrome Please let me know what is issue and what tests to be done and treatment as I'm.v worried as a daughter