Reproductive system diseases

My Dog Is Bleeding from His Penis

María Besteiros
By María Besteiros, Expert veterinary assistant and canine/feline hairdresser.. Updated: April 9, 2020
My Dog Is Bleeding from His Penis

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Seeing your dog bleed, however small the quantity, is always a cause for alarm and concern among pet guardians. If you notice your male dog is bleeding from his private area, you are likely to be worried. This is especially so when there is no sign of a wound and you cannot tell the source of the blood. Therefore, it is important to consult a veterinarian immediately. The vet can make a proper diagnosis and prescribe necessary treatment.

To give you some general information on the different causes, we at AnimalWised explain the possible reasons why your dog is bleeding from his penis. We also explore what you can do in each case, and the types of diagnosis and treatment you can expect at the veterinary clinic.

You may also be interested in: My Dog Has Pus Coming From His Penis
  1. Blood coming from a dog's penis - a warning sign
  2. Why is my dog bleeding from the penis? - Causes
  3. Problems in the urinary tract
  4. Problems with the prostate gland
  5. Dog bleeding from the penis - benign prostatic hyperplasia

Blood coming from a dog's penis - a warning sign

Normally, unless your dog has had an accident or been wounded, the blood you see from coming from the dog's penis will be a few drops of fresh blood. They can appear at the beginning or end of urination, or you may observe blood dripping without urination.

Either way, if observe your dog bleeding from his penis and had not noticed a problem until then, look out for other symptoms of disease, such as:

  • More or less frequent urination
  • Signs of pain or difficulty urinating
  • Listlessness
  • Loss of appetite

Take your dog to the vet as soon as you can. Providing the vet with as much detail as possible regarding your dog's symptoms will help in their diagnosis of the problem. We would like to stress that only a vet can determine the exact cause for the dog bleeding from his penis, and prescribe the necessary treatment.

Why is my dog bleeding from the penis? - Causes

When unrelated to trauma or injury, blood coming from a dog's penis is normally related to inflammatory diseases or infections caused by one of the following:

  • Problems in the urinary tract:diseases affecting the urethra and bladder.
  • Problems with prostate gland: diseases affecting the reproductive system.

Of course, the dog's urethra forms part of both the urinary and genital systems, and disorders in one can often interact with or affect the other. In the following sections we will explain the conditions in each system that can affect a dog and cause penile bleeding.

My Dog Is Bleeding from His Penis - Why is my dog bleeding from the penis? - Causes

1. Problems in the urinary tract

Canine cystitis is most often the cause penile bleeding that originates in the urinary tract. Related UTIs or bladder stones can also cause a dog to bleed slightly from his penis. Other possible problems in the urinary system include fungal or viral infections, diseases of the kidney, urethral prolapse or the presence of tumors.

Diagnosis and treatment

To see whether the blood coming from the dog's penis is caused by a urinary tract disorder, the veterinarian will first take a urine sample. Usually, a collection cup is used, as with humans. However, if this method is not possible, or the sample unreliable, the vet may take a direct sample from thebladder.

Infection is detected by the presence of bacteria and abundant lymphocytes (white blood cells that fight infections). If this is the cause of hematuria - blood in the dog's urine - the vet will prescribe antibiotic treatment. If the symptom is related to a different disorder in the urinary system, the vet will recommend the appropriate course of treatment.

My Dog Is Bleeding from His Penis - 1. Problems in the urinary tract

2. Problems with the prostate gland

The prostate is a male reproductive gland that surrounds the urethra. It secretes a fluid that help with the mobility of sperm. There are three conditions that can lead to prostate enlargement, which is often the cause for a dog bleeding from his penis. These are:

  • Prostatitis: this is a bacterial infection affecting the prostate that can cause pain, difficulty urinating, and blood in the urine or bloody discharge or pus from the dog's penis.

  • Prostatic neoplasia: this is the abnormal growth in gland tissues, which is often cancerous. Canine prostate cancer, for example, can cause bleeding from the dog's penis, as well as traces of blood in urine and stools. For further symptoms and treatment options, take a look at our article on prostate cancer in dogs.

  • Benign prostatic hyperplasia (BPH): this is an enlargement of the prostate that is most often the cause for penile bleeding related to the dog's reproductive system. It is linked to the production of testosterone and often occurs in older male dogs that have not been spayed.

Since BHP is often the cause of bloody discharge in male dogs, we will discuss its diagnosis and treatment in the next section.

Dog bleeding from the penis - benign prostatic hyperplasia

As we have mentioned, BPH is hormonally dependent (caused by testosterone), which means that the disorder appears in non-neutered males of middle and old age. All intact male dogs eventually develop this condition, but more serious symptoms such as bleeding from the penis only occurs in a few. This may be accompanied by difficulties in urination and defecation. If your dog suffers from such symptoms, the veterinarian will consider castration or sterilization as treatment.

Diagnosis of BPH

The diagnosis prostate conditions, including benign prostatic hyperplasia, begins with the vet carrying out a thorough rectal exam. Palpation allows them to determine the size, position and consistency of the prostate. If it is enlarged, this will explain why the dog has been bleeding from the penis. To determine the exact prostatic condition the dog is suffering from, other diagnostic methods such as a radiography, ultrasound, or biopsy may be used.

My Dog Is Bleeding from His Penis - Dog bleeding from the penis - benign prostatic hyperplasia

Treating BPH - neutering

Spaying or neutering is most often the treatment recommended for BPH that causes clinical symptoms. This is considered the most effective way to remove the stimulus that causes prostate enlargement. This helps reduce prostate size and associated problems such as bloody discharge. There are also other advantages to neutering male dogs, except in some specific cases related to behavioral problems.

It is also important to consider the risks of operations on older dogs, although this is possible if prior tests show that it is safe. In cases where castration is not recommended there are medical options such as hormonal suppression drugs. Your veterinarian will provide you with more information regarding treatment options and recommendations suited to your dog.

This article is purely informative. AnimalWised does not have the authority to prescribe any veterinary treatment or create a diagnosis. We invite you to take your pet to the veterinarian if they are suffering from any condition or pain.

If you want to read similar articles to My Dog Is Bleeding from His Penis, we recommend you visit our Reproductive system diseases category.

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What did you think of this article?
Richard S Cramer
Thank you for this article - it was useful in eliminating the cause of blood coming from my dogs' penis
Administrador AnimalWised
We're glad to help!
Fayde Williams
I'm a large breed: French Mastiff mix breed. My human parent has searched for low income and next to free. Medical services for me. Well I'm bleeding from my penis. We don't know why this is happening. It's painful for me and worry some for her. I don't won't her to give me up just so I can fixed and not get me back. Please I know my human parent loves me. She needs all the help from some to be able to help me.
Thanks, F. W
I have a 7-year-old German Shepherd that's bleeding from his penis what do I need to expect
Patricia Boucle
Very informative. It helps me understand the different possible causes of bleeding and the importance of immediate treatment.
I can't afford to take him to a vet he let out large volumes of blood am shocked can I buy him medicine at an agrovet ,and which medication is that please I need help I can't let my dog die
Apply for Care Credit.
Shailesh survase
My dog is five months now and today suddenly bleeding form his penis but he is not tired and he's active. What is the real problem is that is it natural or not.
My dog breed from penis what to do
Administrador AnimalWised
Hi, have you followed the advice in the article?
My dog he's peeing out big blood Clotts.
Administrador AnimalWised
Hi Danielle,

This is a serious condition and will need diagnosis from a trained veterinarian.
My dog is bleeding from his penis for 2 years already (thou on and off). He is 3 yrs old big guy, full of energy and loves to eat even if he has this illness. I can't afford to take him to the vet and it breaks my heart so bad. But i will do my best to save him. What can you say about his illness? What can i do? He is jolly, energetic and full of appetite even if he has this illness. THANK YOU for your response.. Ging
Administrador AnimalWised
Hi Ging,

There's not much more we can see that isn't already in the article. You will need to speak to a veterinarian for diagnosis as it could be something serious.
My Male dog got past in his penis, he have lost his appetite .
My dog is bleeding from the private part ,he's not playing as usual,won't eat and he's loosing a lot of weight.
Administrador AnimalWised
Hi Trisha,

We cannot diagnose your dog. These sound like serious symptoms, so you will need to speak to a veterinarian to achieve an appropriate diagnosis.
My dog is bleeding from his penis for like1hour just now it stopped i cant take him to vets as it is night time here we will take him to vets tomorrow morning....and he pees blood so what is the reason behind it urinary infection or related to any worried...
Bongane Bongza
My dog is blinding from penis what is the problem
My dog has been with my neighbors dog who is in heat they was hooked up for 2days now he’s bleeding out of his penis what do I do
Administrador AnimalWised
Hi Peggy,

The reason for bleeding will likely be due to the causes given in the article. However, we cannot diagnose the problem. Only a qualified veterinarian should do this.
Melinda Nevins
You wrote a very good informative article ...but the gland is a prostate not prostrate (entirely different meaning/position) it makes the author look uneducated.
Administrador AnimalWised
Thank you for pointing this out, the error has been corrected.
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My Dog Is Bleeding from His Penis