Well if your dog is releasing it continuously then look its stool color if the stool color is also getting dark with the blood in it then it can be life threatening, otherwise if its not the case, then it can also happen because the eggs of the dogs are visible in its stool. Check it daily that how many days it shows blood in stool. After that meet a vet and tell him about the details.
Have fun on Blurtit!
blood in stool
Have fun on Blurtit!
blood in stool