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What is Pooping Blood and Vomiting?

As a pet parent, you are certain to be alarmed if you observe your dog vomiting and pooping blood. Some dogs will vomit and have bloody diarrhea, but continue to eat or drink. If you observe that your dog is pooping blood and vomiting, but refuses to eat or drink, get him to the vet immediately. While some causes of your dog pooping blood and vomiting are not serious, others are life-threatening. It is always best to err on the side of caution. Several conditions can cause your dog to have a bloody stool and vomit:

  • Hemorrhagic gastroenteritis
  • Intestinal obstruction
  • Parvovirus
  • Parasites
  • Changes in your dog’s diet

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Why Pooping Blood and Vomiting Occurs in Dogs

Hemorrhagic Gastroenteritis

Hemorrhagic gastroenteritis is characterized by sudden onset of bloody diarrhea in a dog with no previous issues. Vomiting may or may not accompany the bloody diarrhea. The refusal to eat (anorexia) and listlessness have also been observed. Dehydration can soon take place as the body empties of liquid and it is not replaced. This is a situation in which you need to get your pup to the vet as soon as possible. Shock can occur without treatment. Stress is thought to be a factor in this condition. Toy breeds are thought to have a higher instance of hemorrhagic gastroenteritis, especially between the ages of two and four. While these dogs have a higher occurrence of the disease, any breed of dog can acquire it. Gender is nonspecific as well. 

Intestinal Obstruction

Because dogs eat most anything, intestinal obstructions can be fairly common occurrences. An intestinal obstruction can be a partial blocking of the small intestines. Blood supply to the GI tract can be cut off or compromised during a blockage, and, without treatment, sections of the intestine may die. Perforations may occur as a result. Bacteria can seep into the gut, causing septic peritonitis. Unfortunately, emergency surgery is often required to eliminate an obstruction. 

Parvovirus

Parvovirus is a highly contagious viral infection that normally affects young dogs (ages six weeks to six months) that have not completed all their immunizations. Transmission occurs when a dog comes in contact with contaminated objects – and these objects can be food bowls, shoes, clothing, even the ground. The virus can live for up to a year, and it is not easily eradicated. Parvovirus is resistant to most household cleaners; bleach is basically the only cleaner strong enough to kill parvovirus. Parvo can be transmitted when a dog licks any material that has come in contact with the virus – including feces – and then licks himself. Initial symptoms include fever and lethargy. Dogs may refuse food and water. Within 48 hours, profuse vomiting and diarrhea will begin. Parvo has a higher occurrence in Rottweilers, German Shepherds, and Dobermans.

Parasites

One of the most common causes of bloody stool in dogs is parasites. Hookworms, roundworms, and whipworms are known to cause blood in the stool. Coccidia is another parasite that has been associated with bloody stools. No breed is any more susceptible to parasites than others.

Changes in Your Dog’s Diet

Overeating, indiscriminate eating, or changing your dog’s diet may cause stress on the gastrointestinal tract, leading to bloody stools. Food allergies can also cause bloody diarrhea, and unintentionally eating spoiled food can cause your dog to have bloody diarrhea and vomiting as well.

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What to do if your Dog is Pooping Blood and Vomiting

If you suspect your dog has parvovirus, get him to the vet immediately. Puppies can dehydrate quickly and sepsis can set in. Once your dog is vomiting and experiencing diarrhea, the virus has already progressed greatly.

If your dog has hemorrhagic gastroenteritis, your vet will have to do many tests to eliminate other possible causes. There is no known exact cause of the condition. However, a dog that has had one incidence of hemorrhagic gastroenteritis is likely to have more episodes. You may actually see evidence of parasites in your dog’s bloody diarrhea. Your vet will take a stool sample and examine it for parasites. If they are present, he will prescribe dewormer. If your dog has an intestinal obstruction, he will be in a good deal of pain in addition to the bloody stool. Your vet may have to do x-rays in order to confirm the diagnosis. Experts recommend gradually changing your dog’s diet in order to avoid gastrointestinal stress.

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Prevention of Pooping Blood and Vomiting

Always take caution when taking your unvaccinated dog into high-traffic areas such as the vet or groomer. Also, be aware that parvo can live on the ground for up to a year. Your dog will receive the last vaccination against parvo at around sixteen weeks. Until then, take extra caution around strange dogs. Stress is a known factor in dogs with hemorrhagic gastroenteritis, so try to minimize stress in toy breeds. Keeping your dog regularly wormed will help prevent intestinal parasites. 

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Cost of Pooping Blood and Vomiting

Treating parvovirus in dogs can be an expensive treatment ranging from $500 to $12,000. This cost will be dependent upon the stage of the virus when you get to the vet. The exam, initial tests and possible IV fluids can start at $50 and total up to $500. Medications to treat parvo can range from $60 to $114, and 24 hour care can cost up to $175. Multiple days in vet care can multiply this cost. The average cost to treat hemorrhagic gastroenteritis is $1100.

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Pooping Blood and Vomiting Questions and Advice from Veterinary Professionals

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Siberian Husky

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one year

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Unknown severity

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11 found helpful

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Unknown severity

Has Symptoms

Throwing Up And Diarrhea And Her Poop Looks Red. Eating Grass

She has been throwing up just white and clear and has diarrhea and it looks red maybe like blood or something else. She hasn't been active. I have been feeding her white rice, carrots and chicken broth, and chicken in can I have been trying to change her food. She's a very picky eater. This been going on for week

Jan. 9, 2021

Owner

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Dr. Linda S. MVB MRCVS

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11 Recommendations

I'm very sorry to hear this. Vomiting and diarrhoea can have many causes including parasites, an infection, pancreatitis etc. The bloody diarrhoea is a concern , as is the lethargy and duration of her symptoms. A vet check is best so they can determine what is going on and check for the caue of the bleeding. They will assess for dehydration and may run some tests such as a blood or stool exam. Hopefully we get to the bottom of this soon.

Jan. 9, 2021

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Yorkshire Terrier

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Seven Years

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Unknown severity

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2 found helpful

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Unknown severity

Has Symptoms

Vomiting/ Diarrhea

Vomiting small amounts with slight trace of blood along with diarrhea that has a slight trace of blood or red coloring

Jan. 5, 2021

Owner

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Dr. Sara O. DVM

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2 Recommendations

Hello, if you dog is vomiting blood and having bloody diarrhea it would be best for him to see a vet as soon as possible. Many times these little digs need to stay in the hospital to recover. You can offer a bland diet of chicken and rice to help but he really needs vet attention.

Jan. 5, 2021

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labrador pit mix

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Eleven Months

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Unknown severity

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15 found helpful

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Unknown severity

Has Symptoms

Blood In Stool And Vomitting

normal stool but seems like it has blood, vomited twice this morning

Sept. 28, 2020

Owner

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Dr. Michele K. DVM

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15 Recommendations

Thank you for your question. It is not uncommon for young pups to eat things that do not agree with them, and that can cause GI upset. Parasites can also cause this sort of problem. Since he is having both vomiting and blood in his stool, it would be best to have him seen by a veterinarian who can examine him. They will be able to look at him, see what might be going on, and get any treatment for him that he might need. I hope that all goes well for him!

Oct. 5, 2020

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Chihuahua

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Seven Years

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Unknown severity

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4 found helpful

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Unknown severity

Has Symptoms

Blood In Stool Vomit

Bloody stool vomit Will drink but don’t want to eat Was fine last night and this morning acting fine when I got home from work 5 hours later she was acting like this

Sept. 28, 2020

Owner

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Dr. Michele K. DVM

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4 Recommendations

Thank you for your question, I"m sorry that she is feeling sick. There are many reasons that a dog might have this problem, including parasites, intestinal infections or foreign bodies, intestinal disease, or eating something that she shouldn't have. From your description, it would be best if she saw a veterinarian as soon as possible, as they can examine her and see what is wrong before it gets worse. I hope that all goes well for her.

Oct. 5, 2020

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Pit Bull

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3 maybe 4

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Unknown severity

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1 found helpful

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Unknown severity

Has Symptoms

Vomiting, Bloody Slimy Stool

Today my dog has been throwing up yesterday slimy stuff he hasn’t ate or drank anything and his stool is slimy and red I believe it’s blood I don't know if he’s sick or not I need help somebody please give me answers

Sept. 28, 2020

Owner

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Dr. Michele K. DVM

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1 Recommendations

Thank you for your question. If your dog is not eating or drinking, and he is vomiting and having bloody diarrhea, he is sick. It would be best to have him seen by a veterinarian right away, as they can examine him and see what might be causing this problem. Once they know more, they will be able to let you know what treatment he might need. I hope that he is okay.

Oct. 5, 2020

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Daisy

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Bichon poodle

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14 Years

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Moderate severity

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0 found helpful

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Moderate severity

Has Symptoms

My dog daisy will be 14 next month, doesn’t act like it though. Earlier today she was absolutely fine and then when I got home tonight she had a poop that had jelly-like consistency. She just woke me up in the middle of the night (which she never does) and asked to go out so I took her and her stool has bright red blood. She’s shaking, I think due to a fever. She’s still eating and drinking water. Any thoughts?

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Scoot

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terrier

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4 Years

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Fair severity

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0 found helpful

pill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filled

Fair severity

Has Symptoms

Bloody Diarrhea

My dog, Scoot, just recently had a very watery tool with trace amounts of blood. After this, he hasn't been acting like himself. He's also very warm to the touch, warmer than usual for him, but I couldn't check to see if he had a fever. I want to catch the warning flags fast in case of an underlying condition. He also has a very sensitive stomach and has had diarrhea of separate occasions, ones that are soft but not as liquidy as this one. Scoot was left at a family member's house over the weekend and I don't know if he accidentally ate something he shouldn't of(that family member also has 2 smaller dogs who are also much more aggressive, which Scoot could've been stressed out by)

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Mixie

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German chow coyote

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6 Months

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Serious severity

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Serious severity

Has Symptoms

Vomiting
Not Eating
Bloody Stool

Brought her to the vet right away. Gave her IV. X ray and opened her up ran biopsys. Said her lymph nodes were swollen. Sent her home with meds. She wont eat food and forcing meds isnt working from her vomiting. She continues to vomit and bloody stooloff and on daily. Barely drinks water. Usualy vomits after. We sspet 1100 at vet for them to test for everything and no diagnosis. No obstruction. No parvo. No gastrointestinal. Shes gona die. If i dont figure this out.

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Ryu

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Labrador Retriever

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2 Years

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Mild severity

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0 found helpful

pill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filled

Mild severity

Has Symptoms

Diarrhea
Vomiting
Diarrhea Bloody

I just got my dog Ryu from the shelter a little less than 2 weeks ago and all of a sudden he started pooping blood in this orange liquid like poop and also vomiting up his food I don't know what I should d

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Honey Bear

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Golden Retriever

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11 Years

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Moderate severity

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0 found helpful

pill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filled

Moderate severity

Has Symptoms

Vomiting
Lethargic
Not Eating

My elderly golden did not eat dinner last night or breakfast this morning. She has been repeatedly vomiting saliva and acts lethargic. I believe the one bout of loose stools was hers but cannot be sure. We have three dogs. The puppy has gotten a lot of attention recently due to being neutered and having diarrhea from a med given. The other two have been left at home as we cart him off to the vet. My husband stated that Honey Bear's last vomit, middle of the night, had some blood in it.

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