What to Do When Your Dog Stops Eating

Britt
by Britt
Photo credit: Sonja Rachbauer / Shutterstock.com

It’s a moment that triggers panic for nearly any pet parent who has been there before: you place your dog’s favorite food in their bowl, the one that always triggers excitement and enthusiastic tail wags, only to have them turn away in apart disinterest. Is something wrong? Should you be worried?


While it’s true that as our furry family members enter their senior years, a change in appetite can sometimes happen due to the impact of aging, a loss of appetite in a healthy adult dog is a big red flag.


If you’re currently facing this fear, the first step in helping your best friend get back to their happy, food-loving self is to identify the potential reason for this sudden change. This post will explore the various possibilities, outline the importance of keeping your eyes open for warning signs, and help you identify when seeking professional veterinary help is the best choice.


What to Look for When Your Dog’s Appetite Vanishes


When your dog’s normally unwavering appetite suddenly disappears, you must become a keen observer – a true detective of your dog’s behavior. Every little detail could be a clue in unraveling the mystery of their newfound food aversion. There’s no one better for the job. After all, you know your dog best!


Here are a few warning signs that could help you pinpoint the root of the problem:

  • Energy Levels: Is your dog bouncing around with their usual enthusiasm, eager for walks or to play with their favorite toys? Or have they become unusually quiet and lethargic, sleeping more than usual and showing no interest in activities they typically enjoy?
  • Behavior: Carefully observe their behavior and any uncharacteristic changes. Are they withdrawing, hiding, or seeming less engaged with your family? Are they displaying signs of anxiety, pacing, panting excessively, whining, or being unusually restless?
  • Bodily Functions: Keep an eye on your dog’s drinking and bathroom habits. Are they drinking water normally, or have you noticed a decrease or increase in water consumption? Monitor their bathroom habits, noting the frequency, consistency, and any changes in their stool or urine.
  • Physical Signs: Look for any signs of pain or discomfort. Are they whining, limping, guarding a specific area of their body, or reacting sensitively to touch? Have you noticed any vomiting, diarrhea, or coughing?
  • Recent Lifestyle Changes: Have you had any recent changes that impact your dog’s environment, daily routine, or diet? Have you moved homes, gone on a trip (even if they stayed beyond), changed their feeding schedule, added a new pet to the home, had a family member move out (like a child going to college), or even introduced new food or treats?


Remember, even the details that seem the most insignificant may provide valuable insights for your veterinarian. Write down your observations – I recommend starting a journal. Not only will this help you remember everything, but it will also make it easier to spot trends over a period of time. You are your dog’s best advocate, and being able to provide this insider information will be an essential piece of the puzzle.


Potential Non-Medical Reasons for a Change in Appetite


Sometimes, a sudden disinterest in food isn’t a red flag of an underlying medical problem, but rather, it is the result of factors related to their environment, their food itself, or even their behavior. Here are some potential non-medical reasons why your healthy adult dog might turn up their nose at their meals.


Changes in Environment and Routine


Dogs thrive on routine and consistency. Any disruption to their familiar world can sometimes lead to a temporary loss of appetite. A new environment, such as moving to a new home or a temporary stay at a boarding facility or a friend’s house, can be a significant source of stress and anxiety for some dogs. This stress can manifest as a change in appetite, causing them to skip a meal or two until they feel more secure in their space.


Similarly, changes in your dog’s daily routine, even seemingly small ones like a late mealtime or missed walk, can throw off their internal clock and impact their eating habits.


Don’t overlook the potential for external sources of stress and anxiety in their home environment. This often comes in the form of loud noises, such as thunderstorms or fireworks, but it can also be something as simple as tension and arguments within the household.


Food-Related Factors


While not the most common causes, there is a chance that your dog’s appetite issues lie directly with the food itself. Like us, dogs can become bored with their meals. Even if you’re feeding them the best high-quality, nutritionally balanced diet, eating the same thing day after day can become monotonous for some dogs. As the food becomes less exciting, they tend to eat less.


If you notice your dog turning their nose up at an otherwise loved food, you should always check the expiration date. Spoiled food, even just slightly past its prime, can be unappetizing and even potentially harmful.


A simple change in food, even if you’re switching your dog to a high-quality option, can initially cause some appetite issues. Changing food too quickly can trigger digestive upset, discouraging your pup from eating. The best way to do this is to plan for a slow and gradual introduction of the new food, mixing it with the old and slowly phasing that “old faithful” out.


Check out the area where your dog is eating. A dirty food bowl or messy area leading up to the dish can be off-putting, as can a noisy or high-traffic feeding space. If your dog doesn’t feel comfortable and secure, their nerves can get the best of them. Consider setting up a clean, clutter-free, and quiet space for your dog to enjoy their mealtime.


Finally, don’t overlook the treats and special snacks you give your dog throughout the day. If your dog receives a significant number of treats or table scraps, they might simply not be hungry when the time comes for a regular meal. These extra calories can quickly fill them up and make their standard food seem less appealing, but they aren’t going to meet their nutritional needs.


Behavioral Reasons


Sometimes, a dog’s refusal to eat can result from learned behaviors or their individual personality. Some clever dogs will quickly learn that refusing to eat will gain extra attention from their worried humans. The fussing, coaxing, and offering of tempting treats to motivate their appetite can inadvertently reinforce this behavior.


In households with multiple dogs, subtle power dynamics can sometimes play a role in deciding who eats and when. A more dominant dog may actually prevent a less confident pup from eating freely, requiring controlled mealtimes.


Lastly, like humans, dogs have their preferences. Your dog may simply be a fussy eater. They might have pickier, more discerning palates and be easily turned off by certain textures or smells, even if the food is fully balanced and nutritious.

Photo credit: Kunlathida6242 / Shutterstock.com

When Underlying Health Complications Could Be the Culprit


While environmental, dietary, and behavioral factors can all impact a dog’s appetite temporarily, we can’t overlook the possibility that this could be a red flag of something far more serious. These medical reasons call for professional veterinary attention to diagnose and treat the condition before it leads to serious consequences, including potential long-term damage or even death.


Dental Issues


One of the most common medical explanations for a dog’s loss of appetite is dental disease. Imagine trying to chew your food with a throbbing toothache – no wonder your pup is avoiding their food if their mouth is causing them that much pain! Broken teeth, inflamed gums (gingivitis), advanced periodontal disease, and even painful abscesses can make the act of chewing incredibly uncomfortable.


Signs of dental problems include:

  • Persistent bad breath
  • Excessive drooling
  • Frequent pawing at their mouth
  • Dropping food out of one side of the mouth
  • Reluctance to eat, especially hard kibble


A thorough dental exam by your veterinarian will be needed to identify and address any painful dental issues. They will also provide you with options to provide much-needed pain relief.


Gastrointestinal Upset


It may be common sense, but it’s often overlooked – the most obvious medical explanation for a lack of appetite is an upset stomach. Gastrointestinal upset, ranging from mild gastritis (stomach lining inflammation) to more severe conditions, can significantly impact your dog’s desire to eat.


One of the most common causes of GI issues is eating something they shouldn’t have, like garbage, spoiled food, or toxic substances. Parasitic infections, such as roundworms, hookworms, or giardia, can also upset their digestive system and lead to a loss of appetite. Symptoms to watch out for include vomiting, diarrhea, and abdominal tenderness or pain, which may manifest as restlessness, guarding their belly, or a hunched position.


Systemic Illnesses


Loss of appetite is often a non-specific symptom of a wide range of systemic illnesses, meaning conditions that affect the entire body. This is why it’s so important not to dismiss your dog’s refusal to eat as simply being “picky” before exploring the potential cause further.


Viral or bacterial infections can cause stomach upset and a general feeling of unwell, reducing their desire to eat. More chronic and serious conditions like kidney disease, liver disease, pancreatitis (inflammation of the pancreas), and even some types of cancer can all trigger a decreased appetite. While other signs will likely be present (depending on the specific illness), sometimes a change in appetite can be an early sign that something is wrong.


Pain and Discomfort


Any source of pain and discomfort in your dog’s body can significantly reduce their motivation to eat. If they’re experiencing arthritis, an injury, or post-surgical discomfort, the simple act of moving to their food bowl or bending down to eat may be painful. Over time, they may start to associate eating with this discomfort and, therefore, avoid it. Observe your dog for any signs of lameness, stiffness, or sensitivity to touch, as these could indicate an underlying painful condition that’s affecting their appetite.


Medications


Is your dog currently taking any medications? Many medications, while necessary for treating a specific condition, can suppress your dog’s appetite as a side effect. If your dog has recently started a new medication and you’ve noticed a decrease in the amount of food they are eating, you should contact your veterinarian. They may be able to adjust the dosage or explore alternative medications if appropriate.


What You Can Do to Help at Home


If your healthy adult dog has suddenly become picky with their meals, you can try a few things at home to encourage them to eat. However, it’s crucial to remember that these are just temporary measures. Here are some options to consider:


  • If their reluctance to eat continues for more than 24-48 hours, or if they develop any other concerning symptoms, you must seek veterinary attention.
  • Try offering their regular food with gentle encouragement, speaking to them calmly and reassuringly.
  • Make their food more appealing by warming it slightly.
  • Add a small amount of low-sodium chicken broth or bone broth to make it more enticing.
  • Sometimes, hand-feeding a few bites is all it takes to convince them to start eating on their own.


Regardless of their food intake, always ensure fresh water is readily available, as dehydration can quickly become a serious concern. Maintain their regular daily routine as much as possible to help reduce stress and encourage normal eating habits. It’s generally best to avoid offering too many human foods to get them to eat, as this can inadvertently train them to become even pickier in the long run.


Throughout this period, closely monitor your dog’s behavior and pay attention to any other symptoms that may develop, as these could indicate a more serious underlying issue.


When to Call Your Veterinarian


Sometimes, a dog refusing to eat warrants an immediate trip to the vet. Do not hesitate to contact your veterinarian right away if you observe any of the following key warning signs:

  • Complete refusal to eat for more than 24-48 hours
  • Lethargy or weakness
  • Vomiting or diarrhea, especially if it’s persistent or contains blood
  • Abdominal pain or distension
  • Difficulty breathing
  • Pale gums
  • Any other significant changes in their behavior or physical condition


Early intervention is crucial for many medical conditions, and delaying treatment could seriously affect your dog’s long-term health and well-being. When in doubt, it is always best to err on the side of caution and seek professional help.

Keeping Your Dog Happy and Healthy (With a Solid Appetite)


As dedicated dog parents, your attention to your dog’s habits and well-being is paramount, and trusting your instincts when something feels off is always the right approach. You know your dog best!


While occasional pickiness might have a simple, non-medical explanation, a persistent refusal to eat in a healthy adult dog should never be dismissed or ignored. Being proactive and contacting your vet or advice when you have concerns is the most loving and responsible thing you can do.


Addressing any changes in appetite quickly is a major factor in ensuring you provide them with the best possible quality of life.


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Britt
Britt

Britt Kascjak is a proud pet mom, sharing her heart (and her home) with her “pack” which includes her husband John, their 2 dogs – Lucifer and Willow – and their 3 cats – Pippen, Jinx, and Theia. She has been active in the animal rescue community for over 15 years, volunteering, fostering and advocating for organizations across Canada and the US. In her free time, she enjoys traveling around the country camping, hiking, and canoeing with her pets.

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