Your dog is not only your best friend, but he’s also a member of your family. Sharing your life with an old dog is a joy and a privilege, and you’ve most likely been through a lot together through the years. Just like the bump in health issues we see in human senior citizens, an increased risk of health problems is also common in senior dogs. Older dogs frequently experience changes in their eating and sleeping patterns, such as sleeping more often or a decrease in appetite. If you have an old dog eating but not drinking water, or an old dog sleeping a lot and not eating, it’s time to bring your senior pooch to the vet for a checkup. Here’s what you need to know about an old dog not eating, from why it happens to what you can do about it.
What could your dog’s loss of appetite be a sign of?
It’s always alarming when one of your fur babies stops eating, but loss of appetite is particularly worrisome when you have an older dog. However, changes in appetite aren’t necessarily a sign that your dog is approaching the end of his life. As dogs age, their metabolism and activity levels slow. Because your pooch is expending less energy, he may not feel the need to eat as much as he used to. Your dog’s loss of appetite may also be due to an underlying health problem, such as:
Unfortunately, cancer is the leading cause of death in dogs ages 10 and older. Half of all dogs will develop cancer, and an estimated one out of four dogs will die from this heartbreaking disease.
Your pooch may suffer from a loss of appetite, vomiting, and diarrhea if he’s afflicted with this potentially life-threatening inflammation of the pancreas. Pancreatitis can have a high mortality rate—approximately 40% of dogs suffering from severe acute pancreatitis won’t survive—but it can be treated if it’s caught early.
Often called “the great imitator” for its ability to mimic other illnesses, Addison’s disease affects your dog’s adrenal glands, leaving him unable to product hormones necessarily to control basic bodily functions. Hair loss, diarrhea, vomiting, loss of appetite, increased thirst, dehydration, and shaking are all symptoms. While Addison’s disease is incurable, it is treatable.
Just like humans, older dogs are at an increased risk of heart problems, such as heart valve degeneration, cardiac arrhythmia (irregular heartbeat), and canine dilated cardiomyopathy (DCM), a weakening of the heart muscle that leaves it unable to pump blood properly.
Kidney and liver problems
Loss of appetite is a common symptom of kidney and liver diseases, which result in an inability to properly remove waste from the bloodstream and a buildup of toxins. Kidney and liver disease are both common in dogs, especially older dogs.
Because a loss of appetite may be a symptom of a potentially life-threatening illness, we recommend taking your dog to the vet as soon as possible. If your pup also stops drinking, then it’s time for a visit to the emergency vet.
What to do when your old dog stops eating
Just like humans, dogs have distinctive personalities. Some dogs are finicky eaters and turn their noses up at most foods, while others eat every last bite of kibble, no matter what you feed them. When you notice a change in your dog’s appetite, it’s important to make a note of what’s changed.
A loss of appetite doesn’t necessarily mean your dog refuses to eat a single bite, but he may not be eating as much as he used to. It can still be cause for concern, though; seeing your dog refuse to finish a bowl of his favorite food is disconcerting for any pet parent. Some dogs may stop eating altogether.
Whether your dog isn’t as enthusiastic as he used to be at mealtime or he’s given up on food completely, we recommend a trip to your vet for a checkup. Your vet will undoubtedly ask questions about your dog’s eating habits, such as:
- How long has it been since your dog ate?
- Have there been any changes in your dog’s diet or home life?
- How much has your dog been eating at a time recently? Is the amount different from usual?
- Is your dog losing weight?
- Does your dog have any other symptoms, like vomiting or diarrhea?
- Has your dog’s water consumption increased or decreased?
- Does your dog reject all food, or is he willing to eat certain things?
- Do you free-feed your dog? If not, how often do you feed your dog every day?
Because dental disease is common in older dogs, your vet will probably examine your dog’s teeth to rule that out as a potential cause. The vet will also probably conduct blood tests and collect urine and fecal matter samples.
Your dog is your best friend and a beloved member of the family, so you do everything you can to provide him with the best food, fun toys to play with, and your endless devotion. You’re familiar with all your fur baby’s habits, so you know something is wrong when you notice him turning up his nose at his favorite kibble. Keep a close eye on him for a day or two in case his appetite returns to normal on its own, take notes on any other changes in his behavior or additional symptoms, and take him to the vet if he’s not back to normal within two days. If he also refuses to drink water or displays more worrying symptoms like extreme lethargy, call your vet to see if they want you to bring him in right away, or take him to an emergency vet just to be safe.
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