Dog diseases – 11 most common conditions in dogs

Dog diseases can be combated with effective drugs and vaccines, but if they develop they can lead to death.

Caring for the health of pets is one of the main responsibilities to ensure their quality of life, as well as that of their owners. Since they are born, it is necessary to be aware of the need for vaccines and medications that can guarantee protection against diseases of dogs.

In addition to health and hygiene habits, another important step to ensure protection is to observe the habits of the animals. If the dog is showing changes in habits, tastes or common manias, it may be an indication of a problem.

Depending on the condition and the animal, the disease can cause more apathetic and discouraged behavior, or reactions such as frequent barking and crying. Often, only this change in behavior is already a sign of the presence of diseases in dogs, and there is no need to wait for clearer signs such as vomiting, for example, for consultation with a veterinarian.

Likewise, those who have cats should also be on the lookout for signs of health problems in cats.

Food allergies

Allergies are one of the most common diseases of dogs. They arise when some element of the feed triggers the reaction, but also when the animal eats foods unsuitable for dogs, such as chocolate. Most of the time, making changes in eating habits is enough to contain the problem, but it is important to listen to the opinion of a veterinarian for an accurate diagnosis of the origin.


Feeding can also be a problem for dogs when it happens in excess. About 30% of domestic dogs are victims of the condition, which can lead to skin problems, diabetes, arthritis and heart disease. The control of the condition involves a balanced diet and the insertion of exercises in the animal’s routine.


The disease is better known as tick disease, as it starts from a bite of the creature. In cases of high development, the infection can lead to anemia, hemorrhage, neurological changes, renal failure and even death. The main form of protection is to avoid places where there are infestations, as well as by means of tick remedies.


In addition to being one of the most well-known dog diseases, rabies also poses a risk to humans. This is because the condition has no treatment or cure, and can be prevented only through vaccination. The contaminated animal undergoes behavioral changes, becoming disoriented and restless, with moments of spasms and excessive salivation.

Canine distemper

Distemper is a condition that mainly affects puppies and elderly dogs, since these are stages of less immunity. The disease can be treated, but when not taken care of for a long time, it can lead to death. In addition, it has rapid evolution and is very contagious. The first symptoms involve coughing, nasal discharge and difficulty in breathing, with progression to gastrointestinal symptoms such as vomiting and diarrhea. Like rabies, the disease can be prevented through vaccination.

Canine flu

Dog flu is similar to that of humans, with symptoms including continuous cough, runny nose, sneezing, fever, lethargy and poor appetite. It arises especially in times of low immunity, after contact with some fungi, viruses and bacteria. In addition to reaching the respiratory system, the disease can lead to other more serious problems, such as pneumonia.


This is at the same time one of the most common and most dangerous dog diseases. The first symptoms are diarrhea and vomiting, which can progress to dehydration and tachycardia, which can cause death. In puppies, the risk is even greater, since their immunity is even less developed. Despite the risks, the disease can be prevented with a vaccine.


This condition that affects the ears can arise from parasites, fungi or seborrhea that come from poor hygiene with the animal or possible allergies. Inflammation causes pain for the dog, in addition to leading to a bad smell in the area and even temporary deafness. It is important to keep the dog’s ear clean, but very carefully. It is best to clean with medical advice or specialized remedies for cleaning the area.


As in humans, cancer is also a threat to dogs. The most common in animals are those that reach skin, breast, intestine and liver. There are already some effective treatments capable of curing or alleviating the condition in dogs, but early diagnosis is essential to ensure success. Therefore, it is important to make regular visits to the vet.


This disease affects the heart of the dog, as parasites enter the organ. In this way, damage is done to the organ and spread to blood vessels and lungs. Transmission occurs from infected mosquitoes, but can be treated in cases of early diagnosis. Since it consists of the presence of parasites, the treatment with worms is sufficient to restore the dog’s health.

Lyme disease

The disease is caused by a bacterium called Borrelia burgdorferi and is therefore also known as borreliosis. The infection usually starts from a tick bite and spreads in the blood. Symptoms involve loss of appetite, fever, vomiting and joint pain and inflammation. The disease can be treated with antibiotics and prevented with vaccination, but if not treated it can lead to death.

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