You have not mentioned age and sex of your dog? Anyhow if your dog is having rectal bleeding then this condition can be due to following reasons.
1. Constipation
2. Inflammation of colon
3. Inflammation of rectum
4. Rectal polyps
5. Rectal tumors
6. Rectal fissures
So, take your dog to vet for accurate treatment because treatment depends upon underlying cause.
1. Constipation
2. Inflammation of colon
3. Inflammation of rectum
4. Rectal polyps
5. Rectal tumors
6. Rectal fissures
So, take your dog to vet for accurate treatment because treatment depends upon underlying cause.