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Why has my adult house trained dog suddenly started peeing in the house?

Adult dog recently started peeing in house


Adult dog Urinates in the House
Medical Reasons for Urinating in the House
Causes of Sudden Onset of Peeing in the House



Why is my adult dog suddenly urinating in the house, and what can I do about it?

When a previously house trained and well behaved dog suddenly starts peeing in the house you have to suspect that something has changed. There is a reason why your dog is doing this.

You, the dog owner knows and understands your dog better than anyone else. It may be up to you to discover what the underlying cause is.

Below I have outlined some of the reasons why your adult dog has changed it's usual behavior and has begun peeing (and sometimes pooping) inside the house instead of going outside.

Usually the problem of sudden onset peeing in the house falls into two categories.

1. A medical reason.
2. A Change in behavior brought on by outside influences.

Read through the possible causes below and you may be able to gain some insight into your dog's problem.

A medical reason is often a common cause for an adult dog to suddenly begin urinating in the house so it is essential to rule out a medical cause first. Many of the medical conditions that commonly cause inappropriate urination can quickly become serious for your dog.




To Rule out Medical Problems you need to schedule an appointment with your Vet.

Your veterinarian should perform a thorough physical exam and talk to you about what is going on.

A urine sample from your dog will probably be necessary for analysis. This sample will help indicate if there is an infection going on, how well the kidneys are concentrating the urine, and if there are any crystals.

Your veterinarian may recommend any of the following tests depending on your dog and the urine results: Bloodwork, Xrays or an ultrasound.


Common Medical Causes Sudden Onset of Peeing in the House:

*  Urinary tract infection
Bladder stones
Kidney disease
Cushing’s disease
Bladder or urethral tumors
Prostatic disease in intact male dogs
Pyometra infection in intact female dogs
Vaginitis in intact female puppies
Side effects of medications
Ageing  (Incontinence)
Arthritis – Painful joints can make dogs reluctant to make the effort to go outside

Read our article on

How to House Train (Potty Train)
Your Adult Dog

Easy to follow guide


House Train Adult Dog

If you've ruled out Medical Problems
let's move on to outside influences.

Outside influences causing Behavioral Changes.
Causes of Sudden Onset of Peeing in the House

Changes to the dog's environment are also a common cause for a dog to suddenly begin urinating in the house.

Changes can include things such as:

* Adding a new pet to the household.
* The addition of a new baby to the household
* Death in the family or someone going away
* Construction work going on in the home
* Change in the owner’s household routines.
* Changes in the neighborhood like a new dog moving in.
* Separation Anxiety

* Any Scary Event for your dog (You may have to give this one some thought)
* New Home

Stress and anxiety can lead to inappropriate urination. Can you think of anything that has changed that may be causing your dog to feel stressful or anxious?

One of the most common examples of this is dogs with separation anxiety. When the owner leaves the home, the dog urinates or defecates. This is often interpreted as the dog being “angry” that the owner left. In reality, it is a reflection of the dog’s anxiety level. Punishing the dog for being anxious only increases the anxiety.  (Read more on Separation Anxiety)


Dogs do not punish their owners.

Some owners are under the misconception that the dog is peeing in the house to punish the owner. Dogs do not retaliate or do things out of spite.

Some tips re Punishment of Dogs for peeing in the house.

Never punish your dog for inappropriate urination. Don't rub your dog's nose in it or shout or even worse hit your dog. You will only make matters worse. You need to find the reason why your dog is doing this. Nothing will be gained by punishment. Much can be gained by understanding your dog and why this inappropriate behavior is happening. Punishment will only make insecurities and anxiety worse.

Always remember that a dog learns faster from praise for doing the right thing rather than punishment for doing the wrong thing

Cleaning up

Cleaning up existing dog urine is important. When your dog pees on the carpet it leaves an odor that your dog may repeatedly return to. To avoid this try the Dog Urine Cleaning Recipe below.

Click here for a home remedy for cleaning dog urine from carpets which is easy, inexpensive and it really works! Using Baking Soda, dishwashing soap, vinegar and hydrogen peroxide this recipe removes dog urine odors and stains from carpets and rugs even if the urine has dried and is old.

Retraining your dog

Often your adult dog just needs a short “refresher course” in house training. With a little reminder, most dogs get right back to their good potty habits.

You can also help prevent accidents by keeping your dog away from the area they have been going potty in. A baby gate or closed door can easily restrict your dog’s access.

Retraining your dog requires the same steps you would use with a new puppy:
Read this for more advice. Potty Training Adult Dog

Schedule: Take your dog outside on a set schedule. Your adult dog should be able to hold their urine for 4-8 hours depending on their activity level. Set a schedule and stick to it every day.

Reward: Go outside with your dog each time. Take a tasty food treat. When your dog goes potty in the correct place, praise them and offer a food reward. This will help your dog want to go potty in the right place.

Consistency: Your consistency in training is the key to your dog’s success. Stick with your training plan and you will see fast results. The more consistent you are, the faster your dog will get back on track.

Useful information. Read more on House Training (Potty Training) your dog






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