A 14-year-old dog drinking excessive water (polydipsia) often signals serious underlying health issues common in senior dogs, like kidney disease, diabetes mellitus, Cushing's disease (hyperadrenocorticism), liver disease, or urinary tract infections (UTIs), as their bodies struggle to regulate fluids, requiring a vet visit for diagnosis and treatment. While minor factors like heat or diet can increase thirst, persistent excessive drinking in a senior dog is a key symptom of disease.
Senior dogs often drink more as a result of age-related changes in their kidneys or metabolism. Larger breeds drink more than smaller breeds, and overweight dogs may also have higher water intake because they expend more energy during activity.
They will also stop drinking water. This is due to the beginning of their organs shutting down. They no longer have the sensation of hunger or thirst.
You'll know your senior dog is suffering from signs like mobility issues (limping, difficulty standing/stairs), behavior changes (lethargy, irritability, hiding, less interest in play), appetite/thirst changes, disorientation, incontinence, restlessness at night, or labored/heavy breathing, indicating pain or discomfort beyond normal aging, and a vet visit is crucial for diagnosis and relief.
Dogs with kidney failure often drink more water than usual and may need to urinate more frequently. This occurs because the kidneys are no longer effectively filtering waste, leading to excess water loss.
Severe kidney failure presents with unmistakable warning signs. Your dog may vomit repeatedly, refuse all food, and show extreme low energy or weakness. You might notice very bad breath with an ammonia-like smell, mouth ulcers, or pale gums. Some dogs develop swelling in their legs or stomach due to fluid retention.
Vomiting or Diarrhea
If your dog drinks too much water at once, it can cause more vomiting/regurgitation. If the gastrointestinal signs are frequent, severe, or persistent, seek veterinary care.
Key Canine End-of-Life Indicators
What are the main signs and symptoms dog's back legs not working?
Silent pain in dogs refers to chronic or ongoing discomfort that isn't obvious through visible signs like limping or whining, but still affects their behavior, movement, and well-being. Pain and behavior are closely connected.
Dying dogs exhibit unusual behaviors like clinginess or withdrawal, sleep and appetite changes, confusion, and altered vocalization. Likewise, they may show disinterest in activities they previously loved, make repetitive actions, or seek unusual rest spots.
"Silent killer" in dogs usually refers to deadly diseases that progress with few early symptoms, primarily Heartworm, Hemangiosarcoma (a type of cancer), and sometimes Leptospirosis or Canine Parvovirus, all characterized by vague initial signs, rapid progression, and severe organ damage, making prevention and early detection crucial.
Unfortunately, cancer is currently the main cause of death in senior dogs and cats. Cats are considered seniors around age 10. Small and medium dogs hit their senior years around ages 8–11. Large and giant breed dogs become seniors between 6–8 years old.
In some cases, changes in your dog's body temperature may be detectable when petting his ears, legs, or feet. Excessively drinking water. Many dogs will drink water until just before death and some will even show increased thirst in dogs. Don't assume your dog is well because he is still drinking.
Signs of Cushing's Disease
A closer look: Increased Thirst (Polydipsia) in Dogs
Persistent or sudden increased thirst with no known cause such as exercise, or along with other symptoms of illness, is cause for concern and warrants medical attention. Increased thirst indicates an EMERGENCY if observed with certain additional symptoms.
Dogs are intuitive, emotionally attuned beings, and while they may not understand death in the same way humans do, many exhibit signs of awareness as their bodies begin to shut down. For families, this can be a time of deep sadness, uncertainty, and reflection—but also of love, connection, and comfort.
There are many reasons why a dog's legs may appear to give out. Common reasons for hind leg collapse in senior dogs include osteoarthritis, intervertebral disc disease, metabolic disorders, vestibular disease, heart disease, and degenerative myelopathy.
End-of-life signs in dogs include behavioral changes like lethargy, confusion, anxiety, or increased clinginess, alongside physical declines such as labored breathing, loss of appetite/thirst, decreased mobility, and incontinence, indicating organ shutdown, pain, or general system failure, with some seeking comfort while others withdraw; it's crucial to monitor these signs and consult your veterinarian for guidance on comfort and quality of life.
We often feel guilty about whether we put our pets to sleep too soon, or too late, but these are normal reactions when we grieve and you're not alone in those feelings. Remember that few dogs die peacefully in their sleep at home.
You'll know your senior dog is suffering from signs like mobility issues (limping, difficulty standing/stairs), behavior changes (lethargy, irritability, hiding, less interest in play), appetite/thirst changes, disorientation, incontinence, restlessness at night, or labored/heavy breathing, indicating pain or discomfort beyond normal aging, and a vet visit is crucial for diagnosis and relief.
These clinical signs that a dog is dying of congestive heart failure are:
Signs of Acute Kidney Failure in Dogs
The most important thing to remember is that you do not want to limit your dog's water intake. He or she should always have water available. If your dog is drinking more, his or her body needs it. Withholding water could lead to dehydration.
Immediately take your pet to the veterinarian if you see any of the following: