Dog Has Blood in Urine

If the dog has blood in the urine, it is a shock for many owners at first. But the reasons for this can be varied. Fortunately, the causes are often less serious than initially assumed.

Blood in Dogs Wee

  • Blood in the dog’s urine can be for harmless or serious causes;
  • Bladder stones, infections, but also tumors can be the cause;
  • Treatment is possible in most cases.

What are the Causes of Blood in the Urine?

Blood in the urine is not a bad thing: urine contains red blood cells. Around 3,000 of these are sold per “toilet visit”. However, if the number of red blood cells is too high, the fluid will turn red. A bitch in heat also bleeds naturally. To identify the causes of the urine in the blood, watch the dog closely as it urinates.

For example, is the bleeding more likely towards the beginning of urination? Then the causes are mostly in the urinary tract or in the genital area. If instead, the blood becomes visible towards the end, this indicates internal, organic causes. A clear answer can only be provided by the veterinarian, whom you should always seek advice.

The Most Common Diseases When the Dog Pees Blood

Bladder stones

Bladder stones are the most common cause when your dog has blood in the urine. The so-called struvite or oxalate stones are found in the kidneys, bladder, ureter, or urethra. They cause severe pain in the affected animal. Most of the time, small amounts of urine are deposited.


Infections of the genital organs and urinary tract, such as a bladder infection, can cause blood in the urine. In addition to the discolored urine, there are other symptoms, including increased urination with pain and fever. In addition, affected animals are increasingly licking their genitals.

Prostate infections

Blood in the urine can also indicate a prostate infection. Other symptoms are a pain when passing urine and fever. The affected animals also tend to walk a little stiffly. A laboratory test and antibiotic treatment are necessary. If the disease progresses more seriously, surgery or even castration may be unavoidable.


If the dog ingests rat poison, it leads to blood clotting disorders. Blood in the urine is not uncommon. If poisoning is suspected, the administration of an antidote is life-saving.

What to Do If the Dog Pees Blood?

Be sure to visit the vet.

While the causes given are the most common symptoms of blood in the urine in dogs. However, the reasons can also lie in other diseases – for example in a bladder trauma or a tumor. In the best-case scenario, you can get your four-legged friend to a veterinarian as quickly as possible.

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