Bloody Diarrhea in Dog – Causes, Signs and Treatment


A sudden case of bloody diarrhea is often the first indication that a dog may have hemorrhagic gastroenteritis (HGE), which causes gastrointestinal bleeding. The disease may likewise cause throwing up together with other symptoms, and it typically comes on very rapidly.

Your dog has blood coming with diarrhea? Don’t wait to call the veterinarian if you see bloody diarrhea.

If you discover blood in your dog’s stool, it is critical to call your veterinarian immediately. While this is likewise a symptom of various illnesses, it is severe and needs to be dealt with strongly. If left untreated, HGE can be fatal. However, with timely veterinary care, many dogs respond to treatment and recover in a couple of days.

Symptoms of Bloody Diarrhea in Dogs

Signs that your dog has health problems

The most noteworthy indication seen with HGE is a very sudden start of bloody diarrhea in a formerly healthy dog. It is frequently an intense red, and many individuals compare it to raspberry jam. You may also discover a foul odor that is anything however normal.

Other typical symptoms consist of vomiting, anorexia nervosa (anorexia), and a quick decline in energy (apathy or sleepiness). Dehydration usually is not seen medically on preliminary presentation, but shock can establish rapidly without treatment. Likewise, some dogs might develop a fever, though this is not very typical.

Because there are many causes of vomiting and diarrhea in dogs, it is always advised that you call your veterinarian to discuss what is going on. Your veterinarian can effectively encourage you if it is a situation that can wait or if it seems like an emergency.

Dog Is Vomiting and Has Diarrhea with Bloody Footprints

Some owners ask ‘why is my dog pooping blood and vomiting?’ Actually, continuous vomiting and/or diarrhea are the most common symptoms. Other symptoms include lethargy, listlessness, anorexia, weight loss, fluid loss, electrolyte imbalance, dehydration, hemoconcentration, and hypovolemic shock.

Common Causes of Bloody Diarrhea in Dog

The specific cause of this disease is unknown, though there are a variety of theories. These consist of an adverse reaction to a change in food, a bacterial infection or a virus, or a response to digestive parasites. Besides, it is thought that tension or a hyper disposition can play a role in the advancement of HGE.

Dogs that have an episode of HGE may be vulnerable to another event. Lots of dogs never experience HGE.

High-Risk Dogs

Bloody Diarrhea in Dog

HGE can impact any breed of dog at any age, and it is not more prevalent in males or females. The preliminary case may happen around 2 to 5 years of age.

There does tend to be a higher portion of cases in toy and miniature types. In particular, Yorkshire terriers, Maltese, and mini pinschers, schnauzers, and poodles are prone to develop HGE.

How Is Bloody Diarrhea in Dog Diagnosed?

HGE is identified primarily by eliminating other causes of a bloody stool. The sudden look of bloody diarrhea and a high packed cell volume (PCV) in a formerly healthy dog guideline in favor of the HGE diagnosis.

Other causes of gastrointestinal bleeding that must be considered as possibilities include intestinal ulcers or cancer, colitis, parvovirus, and coronavirus. Your veterinarian will likewise want to rule out germs such as Campylobacter sp, Salmonella sp, and Clostridium sp, and Escherichia coli.

It is most likely that your vet will also check for other health problems such as:

  • Leptospirosis
  • Whipworms
  • Hookworms
  • Coccidiosis
  • Giardiasis
  • Warfarin (rat toxin) toxicity
  • Thrombocytopenia (low platelets).
  • Hypoadrenocorticism.

Treatment of Bloody Diarrhea in Dog

If your dog is detected with HGE, it is most likely that hospitalization for some days will be necessary. That is because aggressive helpful care is needed during treatment and it is not something that can be done at home.

It is typical for dogs to get no food or water by mouth for one to 4 days. Instead, they will get intravenous (IV) fluid therapy with potassium added to the fluids. Antibiotics are also suggested, delivered either through IV or subcutaneous injection.

Food should be reintroduced gradually. If the HGE is believed to be food associated, your veterinarian may also recommend changing to a novel protein (such as chicken, lamb, or cottage cheese) that the dog does not usually consume.

Recovery and Prognosis

The good news is that with this aggressive care, most dogs recover within a few days. Some dogs can have duplicated episodes of HGE. After your dog’s healing, ask your vet for any suggestions of ways you might be able to decrease the risk of reoccurrence. For example, feeding your dog the same premium food instead of changing it periodically might help.

Other Causes of Canine Bloody Diarrhea

Lots of things can be the cause of blood in your dog’s stools. If your dog has been at the vet’s office just recently, it may have been contaminated with something from another dog. Sometimes dogs experience bloody diarrhea after surgery or other procedures that require anesthesia. Here are typical triggers of the issue:

1) Pain Medications

Pain medications are generally administered following surgery. Some pain medications can trigger stomach and digestive bleeding. Typical side effects to pain medications include queasiness, throwing up and diarrhea. Blood in vomit or stools suggests a more severe reaction. Pain medications probably to trigger bloody diarrhea are aspirin, ibuprofen, phenylbutazone, piroxicam, naproxen, flunixin meglumine and indomethacin.

2) Oral Cleansing

Oral cleansing and tooth extractions for your dog require light anesthesia. Specific heart, liver and kidney diseases can be associated with the germs that reside under the plaque, tartar and gum line in your dog’s mouth. Throughout a dental procedure the germs, that had been loosened up can enter the bloodstream, affecting internal organs. Although bloody stools following a dental treatment are unusual, it is possible.

3) Coccidiosis

Coccidia is an ecological parasite that produces an opportunistic infection brought on by stress. This parasite can be present in a tidy environment since it is resilient against most disinfectants. A dog in a difficult circumstance, such as surgery, is prone to contracting a parasite that has been left behind by another dog. Symptoms of coccidiosis, the disease triggered by the coccidian parasite, include moderate to extreme bloody diarrhea followed by dehydration and anemia.


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