Why does a dog drool

Increased salivation, in some cases, is a physiological feature of certain breeds. But sometimes in dogs that are not prone to this phenomenon, saliva suddenly begins to flow profusely. In what cases does this process occur within the framework of the norm, and when is it necessary to sound the alarm? All possible causes of this phenomenon should be considered. So why does a dog drool from its mouth?

Drooling breeds

Everyone knows that some breeds from nature, more precisely from breeding activities, are awarded such a feature – to drool. This property is manifested in tetrapods with impressive snouts, in the presence of shortened jaws or fleshy, loose flews.

In pets with such anatomy, profuse salivation occurs for any, even minor reason. This can occur from heat, cold snap, any emotional excitement – joy, concern, surprise. Even when the dog is sleeping, saliva may flow.

In the list of “slobbering” breeds you can find Bloodhounds, Sharpei, Newfoundlands, St. Bernards, Boxers, almost all varieties of Bulldogs and Mastiffs, Caucasian Shepherd Dogs.

Modern breeders are puzzled by a decrease in this not entirely pleasant quality, and in modern representatives of breeds, drooling is somewhat reduced. This is due to the fact that overly loose representatives of the breed are not used in breeding processes if possible, and the constant flow of saliva is considered a significant disadvantage.

This must be taken into account when choosing a puppy of a breed prone to drooling. You should watch the parents, how much this quality is expressed in them. If dogs flood everything around, then most likely their child will be the same.

Lucky and your puppy produces little salivary fluid? Lucky … And if not, then there is only one way out, constantly wipe the face and everything around, since there is no treatment for this anatomical feature.

If everything is clear with certain breeds, then in other dogs this phenomenon can be attributed to an alarming sign. It signals that the pet has a disturbance in the activity of the salivary glands, which are responsible for the secretion of this physiological fluid.

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A medium-sized animal per day secretes about a liter of saliva, with an increase in this reading, it is worth worrying about the state of the pet. There is an impressive list of reasons why a dog’s salivation increases (this is how this phenomenon is called in medicine), and they are far from always harmless. Veterinary advice and emergency treatment are often required. Therefore, it is important to pay attention to this process.

Oral pathology

Dogs are prone to diseases of the teeth and gums, and these are often accompanied by increased salivation. In dogs, caries, stomatitis, tartar may occur (in some breeds, the mouth is a weak point) – these ailments are often accompanied by painful sensations, inflammatory processes, which the pet’s immunity tries to eliminate in a not very effective way – active release of salivary fluid.

Watch the dog eat

Watch the dog eat

In this case, you can get rid of saliva only by eliminating the root cause, that is, by curing the disease. To identify the problem, it is worth taking a closer look at the behavior of the dog, with diseases of the oral cavity, it behaves as follows:

  • shows unusual caution when eating;
  • eats more slowly than usual;
  • the head is constantly lowered to the floor;
  • trying to eliminate itching in the jaw;
  • if touched, it can screech, snarl, or simply tries to leave, hide.

Similar signs are observed when a foreign body enters the mouth, therefore, having found such behavior, you should make a careful examination of the mouth. Often, the owners find a foreign object – a bone, a piece of a twig, or something else.

If there is blood in the salivary fluid, then the dog may have injured the tissues of the palate, gums or tongue. If a wound was found during examination, it must be treated with disinfectant agents. If there is suppuration in the wound, it becomes inflamed or becomes larger, then the pet should be shown to the veterinarian.

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Diseases and injuries of the auricles

There are large glands near the auricles called the parotid. Their functions include the production of salivary fluid. Naturally, ear injuries, diseases (caused by pathogenic fungi, bacteria, etc.), tumor formations, otitis media affect their work, causing increased salivation.

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You can save your pet from salivation only by curing the ears from the disease that has arisen. The ears will be healthy – the activity of the parotid glands will return to normal.

Viral Infections

Viral infections have a number of symptoms, in addition to increased salivation, which are easy to detect:

  • the dog eats little or refuses food altogether;
  • the animal becomes apathetic, lethargic;
  • body temperature rises;
  • the dog is constantly thirsty.

Even 1-2 symptoms should bother the owner and become a reason for seeking medical attention. You should not independently diagnose and treat an infection caused by a virus, since it is impossible to save a dog from such diseases without diagnosis and professional knowledge. In addition, it should be remembered that some viruses can not only become a threat to the life of an animal, but also have the ability to be transmitted to humans.

Chronic ailments

Enhanced salivation can signal the transition of any disease from an acute to a chronic form. The list of such ailments is quite extensive, but among the most common are the following:

  • diseases of the gastrointestinal tract (malignant and benign neoplasms, inflammation of the stomach, 12 duodenal ulcer, including ulcers);
  • disturbances in the activity of internal organs (liver, spleen, gallbladder).

In fact, a chronic disease of any system and organ can provoke profuse salivation. In females, a similar phenomenon often occurs when hormonal levels are disturbed, diseases of the reproductive organs, during the period of bearing offspring.


Severe salivation occurs with any severity of intoxication. Poisoning in a dog can be caused by the usual, but heavy for the digestive tract food – sweets, fatty meats, fruits. Often, pets get poisoned due to contact with toxic substances – poisons, fertilizers, household chemicals. Also, the dog can be poisoned by swallowing any stale or rancid product while walking.

The dog was poisoned

Having penetrated the gastrointestinal tract, the poisonous substance irritates it, provoking bile outflow, and sometimes the outflow of gastric juice. This effect causes increased salivation, vomiting, and loose stools. Sometimes intoxication is accompanied by intense fever, thirst, possibly blanching of mucous tissues.

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To quickly help a pet, you should use the same means as for poisoning people – give an absorbent drug – Enterosgel, activated carbon, Polysorb, white coal, etc. If the symptoms persist, you need to seek professional help.


Dogs, like humans, can experience stressful situations. The abundant flow of saliva may be associated with the psychological state of the pet. Common causes of stress in dogs include:

  • change of owner;
  • moving;
  • new pet in the house;
  • conflict with another animal;
  • the appearance of a baby in the house;
  • rough treatment by the owner.

Any of these factors can provoke a strong flow of saliva. To rid the dog of this phenomenon, first of all, it is necessary to normalize the state of its nervous system. It is worth taking a closer look at your pet, walking more often and longer, taking it to new, unusual places, being patient and affectionate.

If more pronounced signs of disorders are observed, then it is better to contact a veterinarian who can prescribe medications or herbal products with a sedative effect.

Read more on stress in dogs.

Change of teeth

A similar phenomenon can be observed in puppies during the period of changing teeth. Kids are constantly gnawing something, while saliva escapes from the mouth in large quantities. In this case, you should not worry too much, after the gums stop bothering the dog, the salivation will return to normal. It is important to provide your pet with special toys to chew on.

What to do with increased drooling

The most important thing in this case is the participation of the owner. Do not think that drooling will go away on its own, without help. It is important to observe the dog’s behavior, paying attention to any changes.

In a healthy dog, drool can run profusely before eating, during physical activity, when traveling in any vehicle, in hot weather. In other cases, there is cause for concern. The pet requires careful attention and timely treatment.

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