IBS and severe burping. To be changed.

Dear Dr Mom, age 55 she is taking Temsi am 40 for BP and is Thalassemia minor .but no meds for Thalassemia minor .only folivite. After covid she has lot of digestion issue and IBS with severe burping. anyways in normal pre covid times also  she had loose stomach with  8-10 times motions in normal times .stool test and endoscopy is normal sir  Currently since yesterday she is taking Tab IBS -3rice  before meals Tab bael -2wice after meals Takrarisht -2wice before meals Please guide me if this dosage correct sir and safe along with BP medicine She is having alot of burping ..sour burping .. and burping happens alot ..currently she is having pain below naval also Main problem happens in morning when she wakes up the acid comes up to chest and Head and full gas in motions and cramps in stomach She is also having tender cocunut water daily since a month but she often is prone to cold also Please guide what I can add to the medicines she is taking or anything needs to be changed .