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Blood in Dog’s Stool and Urine – What is Causing It?

by | Jan 8, 2021 | Knowledge Center

Why is my dog peeing and pooping blood?

The first thing you should know is that blood in dogs urine and stool can be attributed to many different causes with some causes being serious and life-threatening while others are illnesses that are treatable.

Parasites or worms are something common in dogs and puppies. Most puppies have roundworms and need worming at about five weeks of age. They can also have hookworms and other types of parasites. Hookworms can also be present in adult dogs causing blood in dogs’ stool. The hookworm attaches itself to the lining of the intestines and sucks out the blood for the nourishment it needs to live resulting in blood in dogs’ stool.

Injury from a fight can cause internal bleeding. Possibly your dog got out of the yard and met up with another dog resulting in a fight. Your dog might have sustained internal injuries causing him to bleed resulting in blood in your dog’s stool or urine.

Prostate problems in older male dogs result in blood in dogs’ urine or stool. An enlarged prostate can be caused either by a prostate gland infection or prostate cancer.

Additional causes for blood in dogs’ urine are:

1. A blood disorder or a dog with a slow clotting type of blood similar to a hemophiliac but not as severe.

2. Bladder or kidney stones.

3. Your dog might have gotten into the poison the exterminator put down for rodents. The type of poison for rats and mice causes internal bleeding and death.

4. An infection of the uterus is common in females after having a litter.

5. A canine urinary tract infection.

Blood in dog urine should not be taken lightly, so make an appointment to have your dog examined by a vet. It has been documented that once a dog has had an infection or urinary problem the odds of it happening again are much greater.

Once the vet examines your dog and confirms the diagnosis that it is a urinary tract infection, you must discuss the kind of treatment to be administered. You can choose the conventional antibiotic treatment that carries adverse side effects that can be more dangerous than the illness or a natural remedy that is safe and effective.
There are also over-the-counter supplements that can aid in post-UTI treatments so possible reoccurrence can be prevented.


There are many causes of blood in dog’s urine and stool, some of which are serious and life-threatening, while others are treatable. Parasites, injury, prostate problems, blood disorders, bladder or kidney stones, poison, uterine infection, and urinary tract infection are some of the causes. If you notice blood in your dog’s urine or stool, it is important to take them to the vet to get a diagnosis and treatment.

Here are some additional details about each of the causes:

  • Parasites: Roundworms, hookworms, and other parasites can cause blood in a dog’s stool.
  • Injury: Internal bleeding from a fight or other injury can cause blood in the dog’s urine or stool.
  • Prostate problems: An enlarged prostate can cause blood in the dog’s urine or stool.
  • Blood disorders: A blood disorder or a slow clotting type of blood can cause blood in a dog’s urine or stool.
  • Bladder or kidney stones: Bladder or kidney stones can cause blood in a dog’s urine.
  • Poison: Eating poison can cause blood in the dog’s urine or stool.
  • Uterine infection: A uterine infection can cause blood in a dog’s urine after having a litter.
  • Urinary tract infection: A urinary tract infection is the most common cause of blood in a dog’s urine.

If you notice blood in your dog’s urine or stool, it is important to take them to the vet to get a diagnosis and treatment. Early treatment is important to prevent serious health problems.


Source by Janet Markowitz


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