I'm taking warfarin (three months) just yesterday a large amount of blood in toilet (bright red). What's up???
if ur a women so i guess it's a pregnancy lost
If you are not experiencing any pain and have large amount of bloods in the stool, then very likely you popped a internal hemorrhoid. They bleed easily when you have a hard stool since it's a weakened vein especially when you are taking drugs cause blood thinning.