6 Reasons Why Your Dog Has Not Urinated for Over 12 Hours

There could be a few reasons why your dog has not urinated for over 12 hours. One possibility is that the dog may be in pain or discomfort. If the dog is not able to urinate on its own, it may need to be seen by a veterinarian.

Additionally, some medications can cause urinary problems, and your dog may be taking one of these medications. If you have any other questions about your dog’s health, please contact a veterinarian.

There are many reasons why a dog might not have urinated for over 12 hours. Some of the most common causes are:

Obstruction of the urinary tract

The dog has not urinated for over 12 hours because of obstruction of the urinary tract. This can be due to a variety of reasons, but the most common is a blockage in the urethra. If left untreated, this can lead to UTI (urinary tract infection) and potentially even kidney failure. In most cases, however, simple treatments like antibiotics can clear the blockage and get the dog back to business.

Also Read: Will Baking Soda Neutralize Dog Urine On Grass?

Tumors in the bladder or prostate

There are a few different causes for an animal not urinating for a long period of time, including tumors in the bladder or prostate. In some cases, the animal may be able to void without difficulty, but may have difficulty getting to the bathroom on time due to the tumor. If the tumor is blocking the normal flow of urine, then it can take quite a while for the bladder or prostate to fill up and release urine.

Blockages in the urinary tract caused by stones

In order for a dog to go to the bathroom, they must push through a tight ring of muscle and organs known as the urethra. If this muscle is blocked, the dog will not be able to go to the bathroom and will start to experience intense pain. This is why it is so important for dogs to go to the bathroom regularly- if they don’t, their bladder will start to fill up and they will eventually develop problems such as kidney failure or stone disease.

Problems with the sphincter that controls urination

The problem with the sphincter that controls urination is that it can become weak over time, leading to problems with urinating. This can be due to a variety of factors, including injury or illness, and can often result in the dog not being able to urinate for over 12 hours. When this happens, either the dog will have to be taken to the vet for a checkup or treated using medication to help them regain control of their bladder and urinary system.

Dog Has Not Urinated due to Neurological problems

There is a medical diagnosis that should be considered in this case: neurological dysfunction. This could be due to a number of reasons, including a head injury, stroke, or other neurological problem. In this instance, the dog has not urinated for over 12 hours, which would indicate a problem with their bladder or kidneys. A veterinarian should be consulted to determine the underlying cause of the neurological dysfunction and any necessary treatment will be prescribed.

Your Dog Is in a State of Dehydration

If it has been more than 12 hours since your dog has emptied himself, dehydration is another possibility as the cause of the problem. Check and see that your dog has unrestricted access to fresh drinking water at all times. When the temperature outside is high, it’s possible that you’ll need to refill the water bowl more frequently. If the water bowl becomes too unclean, there is a chance that some dogs will refuse to drink from it. To prevent this from happening, clean it every day.

You could also find that giving your dog treats that have a high percentage of water content is beneficial. To give you an example, watermelon is 92 percent water and can be a healthy treat for your dog so long as you offer them only a small amount at a time.

What Happens if a Dog Holds Its Urine for an Excessive Amount of Time?

If a dog holds their urine in for an extended period of time, they run the risk of developing major health problems, just like people do. They run the risk of developing urinary tract infections (UTIs) or getting urinary stones. There is also the possibility that the carcinogens that are present in urine and within the urinary tract could cause some forms of urinary cancer in your dog or predispose them to developing those cancers. Make sure that your dog doesn’t ever keep his or her urine or faces inside for too long.

How frequently should I take my dog outside to let him relieve himself?

In an ideal world, you should walk your dog at least three or four times a day so that it can relieve itself outside. The frequency with which dogs urinate will vary depending on a number of different aspects, including the dog’s gender, its overall health, and the size of the dog’s body. When compared to larger dogs, smaller dogs are known to have a higher frequency of urination, and the younger a dog is, the more frequently they will have the urge to urinate.


In conclusion, there are a few reasons why your dog may not have urinated in over 12 hours. The first possibility is that the dog has an obstruction, such as a foreign body or a tumor, in their urinary tract. If the obstruction is severe, it can prevent the dog from urinating altogether.

Another possibility is that the dog simply doesn’t feel the need to go. If they’re feeling good and their surroundings are calm, they may not need to go.

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