HI Thanks for posting your query The information provided suggests malena, blood in stool but this is not fresh blood , it comes from upper GI tract, as you have severe acidity there are chances you may have bad errosive gastritis AN upper GI endoscopy would be more informative than a CT In the mean time : Go for a Proton Pump inhibitor twice a day for two weeks, followed by once a day for four more weeks Take antacid regularly Avoid spicy, fermented and fried meals, Avoid aerated drinks Avoid smoking or tobacco in any form Avoid alcohol Take lot of fluids daily Exercise atleast five days a week Take small frequent meals If obese reduce weight Manage your stress levels Hope this helps Am available for any followup queries If there are no further doubts, do accept this reply and rate it Get Well Soon