my grandmother's age is 84 , n every 6 months her haemoglobin level reduces , we have to transfuse atleast 2 bottles of blood, she has undergone angioplasty n bypasss few yrs back , at tat time she was taking pills of clopivas ap 75 , it contains aspirin so our doctor told us , coz this this aspirin , she has some ulcers n coz of this bleeding starts by stool,