Sir.I Am 65 Years With 70 Kg Weight And Strongmen.but

Sir.I am 65 years with 70 kg weight and strongmen.but I HV long time acidity as its ginetical comes from my father my all sister HV this problem burn in heart and must HV zintec-150mg tablet twice in a day.And we reflex from burning.so my question is its better to take long time ? As I take since at age of16still at 65 pls guide me sir how much its helpful?what is side effect of this tablet which iI take daily tthat zintect -150.now I HV no physically any complain about any thing.still strong only this acidity ruin my health.I took less and less hot drink and spicy food.pl help sir.thanking you.