I Have Had Massive Pe Abt 2 Years Ago. I

i have had massive pe abt 2 years ago. i was put on warfrin then took off an put on rivaoxaban. well at least 3 times a month mayb more i wake with a smell an a taste of blood. when i go to bathroom my touge is black with blood an also my pillow. dont no if its still to do with the pe's i had or if its something else to worry about ty