Lack of appetite in your dog: causes and treatment

Posted on October 19 2018

Lack of appetite in your dog: causes and treatment

Usually hungry, dogs can go through periods marked by a loss of appetite. If these last longer, the intervention of the veterinarian becomes necessary.

Usually, dogs have trouble resisting the call of food . Their greed is often used in various ways, especially during their education , rewarding them with treats when they act positively.

When mealtime arrives, they usually do not contain their enthusiasm for their lunch box full of croquettes or homemade food . Nevertheless, they may be much less likely to eat. Your dog refuses the bowl offered as part of his meal? A temporary loss of appetite does not need to worry you. If the latter is prolonged, however, you should remember to consult your veterinarian. Explanations ...

Like the human, your dog can experience small strokes of limp passengers. A gloomy weather, a temperature too high , a morale down , a lower energy need in connection with the decline in his sporting activity . These causes can occur during the life of your dog. They should not alert you too much.

Primitive anorexia

If the dog goes from a simple temporary inappetence to a form of anorexia , there is reason to worry and react as quickly as possible. It can be a primitive anorexia . This is the result of a malfunction in the central nervous system and caused by disease or severe trauma: tumor to the brain, brain injury, s stressful ituations repeatedly can also be the cause of these so-called primitive anorexia.

Secondary anorexia

When the refusal to eat is not a dysfunction in the central nervous system, it is called secondary norexia . It is then consequent to an illness : kidney problem, diabetes, digestive disorders, tumor, cancer ...

The fever is also part of the probable causes of loss of appetite. To be aware of this, the most reliable way is to take the dog's temperature using a rectal thermometer. If the temperature exceeds a normal level (between 38 and 39 ° C), the animal is indeed in a state of fever.


Some lesions or pains can prevent the dog from eating while he has an appetite. Ulcers, inflammation and other disorders affecting the mouth, teeth or gums of the animal can make swallowing difficult or impossible.

When this is the case, we talk about pseudo-anorexia . We must then take his dog quickly to the vet so that it can provide him with the necessary care: anti-inflammatory treatment, scaling of teeth, treatment of lesions, etc.

Changes causing loss of appetite

We know it well, the dog hates change . Accustomed to one environment, he has trouble moving to another. A move , for example, is extremely disruptive to him, which can cause a loss of appetite, often temporary. To avoid this problem, it is important to give him time to familiarize himself with his new home by visiting him several times in advance, if possible.

A change of diet can also lead him to not be interested in the contents of his bowl. A food transition is necessary then, with steps to respect:
  • For the first 3 days, give him / her three-quarters of his / her old food and a quarter of the new food.
  • The next 3 days, give him meals composed of 50% of the old food and 50% of the new
  • The next 3 days, give it 75% of the new with 25% of the old.
  • From the 10th day, give him only the new food

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