https://www.petmd.com/dog/conditions/urinary/c_dg_urinary_retention If your dog is not peeing, he must be seen by a veterinarian as soon as possible. The last time I saw her urinate was on my lunch break, about 10 hours ago or so. A dog that won't pee is just as serious as a dog not pooping. The inability to urinate can be caused by numerous factors. Dog won’t pee. Customer Question. Moreover, the accumulation of urine can cause the bladder to rupture. If your dog is truly unable to pee, the inability for the bladder to remove toxins from the body could quickly become fatal. The AKC notes typical causes for problems urinating include: It’s important though that these dogs are encouraged to drink so to prevent dehydration.It is not unusual for shelters and dog … Inability to urinate would cause the dog pain. She's short and kind of fat so her flat snout can't reach all the way to the back of her body. An examination may lead the vet to recommend a few diagnostic tests to help find the cause, such as a complete blood count, urinalysis, urine culture, abdominal ultrasound, abdominal x-rays and a CT scan. When your dog tries to urinate, the stream may be weak, interrupted, or in some cases nonexistent. What could be the problem? In any case, it is a signal that your dog has a health problem. This of course would result to various complications. Sometimes, recently adopted dogs may feel nervous in their new surroundings which may lead them to feeling stressed, fearful or just plain uncomfortable to go potty as often as they normally would.These dogs may also not be drinking normally as they should, which can explain why they aren’t peeing for several hours. Urine that is not excreted for 2 to 3 days can result to the death of the pet. When she sits and turns back, it seems like she's trying to maybe lick or bite something she can't reach. An immediate visit to the veterinarian is imperative, in order to rule out the cause and to avoid serious complications detrimental to your dog (such as bladder rupture). If your new dog won’t pee outside, you can follow the same routine you’d use on a puppy. Adult dogs can usually hold their pee longer, but taking them out frequently increases the odds they’ll happen to potty while they’re outdoors. Remember, the bladder is full of toxins that can be absorbed by the body if not excreted. He could be experiencing any number of critical health issues.