I want to know what's causing me to have a burning sensation in the middle of my Rib cage to belly button. I'm 62 years old Male and having like heartburn sensation psin, can you tell me what's causing this pain,I take medications such as Metformin500mg ,twice a day Benicar, generic yellow pill, 100 mg once a day for my High Blood Presure and Amodefine, for Diabetes, Simi tasting for Colestrol, are any of these medictations causing me to be in pain for overy a week.