Enter your search term

Search by title or post keyword

Why My Dog ​​Makes Stools with Blood and Mucus – Here the Answer

Our website is supported by our users. We sometimes earn affiliate links when you click through the affiliate links on our website

Contact us for Questions

Have you seen blood in dog stool? It is normal that if we observe this in our pet. We worry and we want to know what happens and what we should do. But when this happens to a dog, the real reasons that may be causing it are diverse and not all are serious. Therefore, the possible solutions are also several.

Anyway, whenever something like this is observed in our dog. It is vital that we go to the veterinarian to detect the origin of the problem and solve it quickly before it gets worse. Of course, from Dogs Fud we want to help you to be as informed as possible and for this reason.

blood in dogs stool
Blood in Dogs Stool

In this article, we tell you everything you need to know to clear your question about ” why does my dog make stools with blood and mucus? ” And other related, such as “what happens if a dog defecates blood?”. Each and every question of yours will be cleared with this guide on blood in dogs stool.

The Color of Blood in the Stool:

The first thing we must take into account to know the causes of blood in the dog’s feces is that it can be mainly of two different types. That we can differentiate according to the color tone it has. Knowing the color we can begin to distinguish the origin of the problem. Discarding some possibilities and seeing those others.

Thus, we can differentiate between these two types of blood in the excrements of dogs:

  • The Mane and
  • The Hematochezia.

Now, let’s know them in details with their Causes.

What is Mane in Dogs:

Many people when they hear this word ask themselves what is the mane in dogs. But in reality, it is a symptom that can occur in any animal and it means the same in everyone. In this case, the blood has been digested and for this reason, it has a dark, blackish red color. It is thick and even its smell is strong and very unpleasant.

dog pooping blood mucus

That it has been digested indicates that its origin is in the upper or first part of the digestive system. Because of the dark color, it is sometimes difficult to discern if there is blood or not. If we detect a very strong smell and we suspect, we can collect the excrement and take it to the veterinarian or with a piece of absorbent paper to collect them and see if the paper changed into the reddish spot.

Causes of Mane in the Dogs Stool

If you have detected or the veterinary specialist has diagnosed that dog makes depositions with dark blood. Then now it is necessary to detect which is the possible origin of the problem to begin treatment of prompt form if it is necessary. As the blood may come from the nose, mouth, pharynx, esophagus, lungs, stomach or upper part of the small intestine. It may be caused by something mild or by some serious problem. So it is vital that go to your veterinarian as soon as possible. Thus, among the main causes of blood in dog droppings are the following:

Ingested Blood

One of the most common reasons is that the dogs one has ingested blood. For example when licking a wound or having bled from the nose or mouth and this has been digested producing the blood at the end. So, make sure the muzzle and the rest of your dog’s body do not have recent injuries.

Blood Coagulation Disorder

There are various disorders of the coagulation factor of dogs. For example, von Willebrand disease or hemophilia. In this case, you can also see that if your dog suffers a wound it takes longer to stop bleeding and to close. In addition, some poisonings or poisoning in dogs can also cause a problem in the coagulation and subsequent bloody stools. Both cases, it is vital to go to the nearest center or hospital as soon as possible with your pet.

Complications After Surgery

If your Dog has undergone surgery in the last 72 hours and defecates dark blood. It may be due to a problem in the postoperative recovery. In this case, you should call the emergency veterinarian.

Use of Medications

The use of NSAIDs (non-steroidal anti-inflammatory drugs) and the use of Pepto Bismol. A product for upset stomach can cause a dark color in the stool. In the case of NSAIDs, bleeding ulcers can be produced that cause the appearance of dark bloody stool. But in the case of Pepto Bismol, it will not be blood but this product while consuming confers a blackish appearance to the excrement.

Bleeding Tumors and Polyps

The tumor masses are the cause of a multitude of problems and can give rise to various symptoms. Always according to their origin, state and situation in the body. A bleeding tumor can cause your dog to have bloody stools. The same happens in the case of polyps that can be produced in the digestive system.

dog pooping blood
Dog Pooping Blood

In addition, there are more things that can cause digested blood problems in the stool of the dogs. For example, other possible causes can be some bacterial infections that become serious, such as Campylobacter infection, a trauma that affects the digestive system. some fissure in this or intestinal obstruction.

What is Hematochezia in Dogs

It’s about the presence of fresh blood in the excrement so the color of this is a bright red tone. This tone is like this because it has not gone through the long digestive process. This fact indicates that its origin is in the lower or final part of the canine digestive system. In these cases normally the problem occurs in the colon or rectum of the animal and you can see the blood as drops when the animal defecates or it can be mixed in the rest of the excrement.

dog has blood in stool

In severe cases or those that have worsened, you may see that your dog expels blood through the anus. That is, may try to defecate, but do not make feces and just expel some fresh blood with or without mucus.

Causes of Hematochezia in Dogs

In the case of detecting blood of bright red color in their excrements. You should go as soon as possible to the veterinarian since there are many possible reasons and some of them are serious. Thus, among the main causes of hematochezia in dogs are the following:

Parvovirus in Dogs

Canine parvovirus is one of the most serious canine diseases and affects mainly puppies. If you see blood in the stool of a puppy dog, go as soon as possible to the nearest hospital or center. Since among other symptoms such as vomiting and lethargy. This blood in dog stool is an indicator that dog may suffer parvovirus and need veterinary attention as soon as possible. Because this disease can be deadly.

Hemorrhagic Gastroenteritis

It is a condition that produces gastrointestinal symptoms with vomiting, diarrhea, and blood in these. The cause of this gastroenteritis is very complicated to diagnose. But it is vital for the recovery of your faithful companion that a specialist reviews it and diagnose the problem. Although it is difficult to find the cause and that the most appropriate medication is administered as soon as possible.


If your dog is stressed or has anxiety, either in a timely manner or more over time. This can cause bloody stools. From a new tenant at home, a move, leave a few days with someone or in a doghouse or suffer separation anxiety will cause your dog to suffer stress and discomfort. Affecting its digestive system. For this, you must find the source of its stress and modify it.

Wounds in the Rectum

Rectal wounds can be caused by severe constipation or by the intake of an object or foreign bodies such as a stick or a piece of toy. This will cause irritation and damage the walls of the rectum causing bleeding.


The presence of internal parasites in dogs is one of the main reasons for hematochezia. So it is very important not to skip any deworming and take our pet to frequent reviews. As well as take it to the specialist if parasites are detected in the excrement.


If we give him inadequate food. He has intolerance or allergy to some food or we give too much food to him. It can cause irritation in the stomach, intestines or colon that gives rise to diarrhea, blood, and mucus in the excrement. A sudden change in the usual diet of your dog can also produce this irritation. So you have to make the changes in feeding progressively.

Above we explained what happens if a dog defecates blood according to whether it is one type or the other. Pay attention and know the possible causes, but do not forget to take your dog to the vet to diagnose and treat the problem.

Recommended Articles on Dogs:

Causes of Mucus in the Stools of Dogs

Snot in dogs’ Stools can occur for various reasons. In fact, any of the causes mentioned above, both Mane and of Hematochezia, can cause a dog to defecate with blood and mucus.

The mucus in the stool is usually indicative of irritation or wound in the mucous membranes or of some type of infection usually caused by bacteria. Therefore, it is a symptom that is also present in the excrement along with the blood.

What to Do If My Dog Makes Stools with Blood and Mucus

When there are blood and mucus in the excrement, these are usually somewhat undone and there may even be diarrhea. But, now that you know the possible causes according to whether the blood in the stool or diarrhea is fresh or not. It is normal to ask yourself what to do if your dog has diarrhea with blood and mucus.

dog bloody stool

The treatment of blood and mucus in dog feces depend on the cause in each case completely. It is precisely for this reason that we must go to the veterinarian whenever we detect this problem in order to find the origin and adapt the treatment as soon as possible.

As we have seen before there may be quite serious cases or there may be situations in which nothing really worrisome happens. Therefore, the solutions can be very varied. The treatment can be from a surgery or an admission with the need to maintain fluid therapy with serum and medication. Else, with some medical treatment and with a soft diet for dogs it is enough. But, all this must be decided by the specialist based on the results of the tests you perform on your pet.

Treatment of Blood in Dog Stool

When the dog arrives at the veterinarian, several tests are usually done including stool tests, blood and urine tests, coagulation profile, abdominal ultrasound, and even endoscopy.

my dog is pooping blood

The treatment to be applied in each specific case will depend on the reason that gave rise to the pathology.

Blood in Dog Stool Home Remedies:

The home remedies for blood in dog stools are same as we do in the Diarrhea. You can check  Home Remedies for Diarrhea in Dogs and do the same in case of Blood in dog stool.

Also, if you ask “my dog has bloody diarrhea, what can I give?” As we have said, it would be better to give a soft dog diet, with boiled white rice and grilled chicken without added salt. However, it is something that must be discussed with the veterinarian since not always giving solid food is the best option in these cases

Have you ever had this type of problem with your pet? We would like to know your experience. Hope we have covered all the necessary topics on why we see Blood in Dog Stool, its causes, treatments and even the home remedies for it. Comment your experience what you have done in this situation.

Leave a Comment

Explore More within Happy Pets Now

Happy Pets Now
A comprehensive resource for information about your pet.
post explore
Happy Pets Now
  • Types of Fish

Tadpoles: Types, Behaviors, Lifespan, Costs & More

September 21, 2022
7 min read
Happy Pets Now
  • Health & Care

Cherry Shrimp Care: Tank, Water & Food Requirements

September 5, 2022
8 min read
Happy Pets Now
  • Types of Fish

Cherry Shrimp: Behaviors, Lifespan, Tank & Water Requirements, Care & More

September 5, 2022
6 min read

The Best Pet Resource Hub on the Web. Subscribe to our Newsletter!