Animals

9 diseases that transmit dogs to humans

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Poor management of the life and hygiene of our pet and the home we share with it can cause our dog to get sick. And some of those diseases can end up spreading throughout the family nucleus. These are diseases that dogs transmit:

Circular areas without hair appear on the dog. The cause is a fungus, so it is perfectly contagible to humans.

Hygiene is essential to avoid diseases transmitted by dogs. Always wash your hands after touching, playing or bathing your dog, especially if you are cooking, eating or dealing with children.

(Photo via: webconsultas)

Another of the diseases that dogs transmit are nematodes, some intestinal worms that often house our furry friends in their body. It is very serious to get nematodes, they can even cause blindness, therefore, These worms are one of the main reasons why dogs need to be dewormed often.

Yes, canine rabies is another disease that is not exclusive to dogs, they can transmit it to people. Rabies is deadly and must be treated with care. Because, after a dog bite (either to another dog or to a person), the rabies vaccine is given as soon as possible. If the spread of rabies is confirmed, the dog will be quarantined.

Lyme's desease

(Photo via: schnauzi)

This is another disease that dogs can transmit to people, but It does not occur directly, but by the ticks that produce it. They can get off the dog's body and spread around our house, infecting us.

The symptomatology of scabies gives excessive itching and appearance of scabs on the dog's skin. Fortunately, In case of infection to humans, this disease does not take long to cure alone for more than a couple of weeks.

What do I do to prevent the diseases that dogs transmit to people?

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To prevent these diseases transmitted by dogs, or many others, It is necessary to vaccinate all our pets. It is also very important to follow all indications of antiparasitic treatments, both internal and external.

Keep your home clean, both indoors and outdoors, free of excrement, hair and all kinds of dirt. If you suspect that your dog may have any of these or another disease, go to the veterinarian as soon as possible.

Internal parasites of dogs in humans

We begin the review of the 9 diseases that transmit dogs to humans with the internal parasites responsible, mostly, of gastrointestinal disorders, although the dirofilariosis or heartworm also stands out, which we will see in the next section. The parasites of the digestive system that they can go from dogs to humans are:

  • Nematodes: these are worms of widespread presence in dogs. Contagion is made possible through the placenta, breast milk, the intake of eggs from the soil, where they can remain for a prolonged period of time, or from a rodent that contains the parasite and is ingested by the dog. These parasites do not usually produce symptoms in healthy animals but in younger ones they can cause, above all, diarrhea and vomiting. In humans they are responsible for a disorder known as visceral migrans larva.
  • Giardias: in this case we are facing protozoa responsible for profuse diarrhea, as always with greater impact on vulnerable animals. It is considered that some genotypes can infest humans, although contagion is more frequent due to the intake of contaminated water. Giardia is not always detected by observing a stool sample under a microscope, as excretion is intermittent, so samples of several days are usually required.
  • You had: they are worms among which varieties of interest can be distinguished as Dipylidium Y Echinococcus. Fleas can be transmitted to our dogs and they can be transmitted to us, although children can also be infected by eating fleas directly. Likewise, they are transmitted by ingesting the eggs found in food, water or contaminated environments. The tapeworms (Taenia) may be asymptomatic, however, sometimes we can observe proglottis (mobile fragments), as they contain eggs, similar to a grain of rice, around the anus of the dog, which could also show itching in the area. Echinococcosis, rare in dogs, in humans can form hydatid cysts in liver, lungs and brain.

The contagion of intestinal parasites from dogs to humans It can be produced in different ways but, in general, it can happen for example after having sniffed the animal infested feces, licked our hand, for example and then we rubbed our mouth. If the dog with parasites has defecated at home or in the garden and the droppings have remained there for some time, when we pick them up we can also become infested if we do not maintain proper hygienic precautions. The same happens in the parks, since by touching the earth that has been in contact with infested dogs we can ingest the parasites. In general, children are usually the most susceptible, since they can play with the sand, bring their hands to their faces or even eat it.

A correct schedule of internal and external deworming is the best prevention against these disorders, especially in more vulnerable animals such as puppies. So, because we love them, we protect them, go to your veterinarian and Deworm your pet.

Filariasis in dogs and humans

Among the diseases that dogs transmit to humans, we will highlight one that is becoming increasingly important: filariasis, more correctly called dirofilariosis. In this vector disease there is a mosquito that will carry the parasite in its mouth organs. Thus, if it bites our dog, it is capable of infesting it. The filaria is going to go through different stages of maturation to end up staying in pulmonary arteries, right side of the heart and even cava and hepatic veins. In addition, females release microfilarial blood that can pass into a mosquito that, again, bites another dog.

As we see, it is not possible for the dog to spread the disease directly to us but we could become infested if a parasitized mosquito bites us. The dog would act as a reservoir for the parasite. Although in humans it is assumed underdiagnosed and asymptomatic, in dogs it can have very serious consequences, as it causes great damage to fundamental organs such as the heart, lungs or liver, even leading to death. Your treatment is also risky because of the obstructions that adult worms can cause. Therefore, prevention is once again basic, in this case using products that prevent the mosquito from biting and establishing guidelines that limit the exposure of dogs to the mosquito, as well as the use of internal antiparasitics that prevent the cycle of This worm is complete. We emphasize the importance of double monthly deworming, especially if we reside in places where this worm is endemic, as in the Canary Islands, Spain, where it is necessary to deworm the animals every month in front of the filaria, throughout the year.

Skin diseases transmitted by dogs to people

The most common skin conditions that can pass from dogs to humans are scabies and ringworm. Both are well known diseases, so they could not miss in this review the diseases that transmit dogs to people. Their characteristics are:

  • Tub: It is a disease caused by fungi It will cause some circular skin lesions. The spores in the environment can infect humans and other dogs or cats that live in the home.
  • Scabies: in this case it is a mite the one that digs into the skin producing great pruritus and areas with wounds and alopecia. The mite in the environment can be very contagious, especially, as always, for animals or immunosuppressed people. Of course, it should be noted that not all types of scabies are considered zoonosis, so that the most common and common in dogs and people is the sarcoptic mange, caused by the mite Sarcoptes scabiei.

In these diseases it is essential to clean the home, with aspiration, disinfection and washing of beds and other tools in contact with the dog. It is also important to keep the animal under control and take it to the first symptom to the veterinarian.

Rabies, a viral disease that passes from dogs to humans

Although this disease is practically eradicated in much of Europe and North America, we include it among the diseases that dogs transmit to humans because causes numerous deaths of people, especially in Asia and Africa. In Central and South America we find high-risk regions along with others where vaccination programs have been established that are proving successful.

Rabies is a viral disease for which there is a vaccine, this being the only way to fight it. The virus that causes it belongs to the family Rhabdoviridae, it damages the nervous system and is spread from dogs to humans by contact with saliva of the infected dog or through its bite.

Diseases transmitted by dogs

Ticks

The bite of the Borrelia burgdorferi bacteria causes borreliosis or Lyme disease, an infection that causes certain symptoms such as fever, vomiting and muscle and joint pain. It can also transmit from the dog to man certain skin rashes. It is noteworthy that borreliosis is three times more common in men than in women.

I had it

Once the dog has been disturbed, it affects people with certain conditions or in a delicate state, such as pregnant women and those with immune problems. Although its frequency is not important in Spain it can be something serious and large cysts occur in the liver and lung.

Earthworms

The dog that has worms has become infected when the animal eats infected feces from another animal, land or raw meat. While people can become infected when it comes to touching an infected object and then putting their hands in their mouths. When the dog has weight loss, fever, vomiting and bloody stools then there are several problems but one of these can be worms. You should go to the vet immediately.

Leptospirosis

In this case it is a disease that dogs can transmit to children. The infection is made in this case when you have direct contact with an infected dog. The dog usually has tremors, cough, vomiting and diarrhea while people something similar, such as anemia and headaches. Before any of the symptoms described should be seen by the veterinarian and the doctor in both cases.

Scabies

This disease is related to itching and skin rashes. It is, therefore, produced by various mites and produces sores and other conditions on dogs' skin. In people, scabies causes itching and rashes.

Leishmaniosis in dogs and humans

This parasitic condition has a considerable extension, hence its inclusion in the diseases transmitted by dogs to humans. As we commented in the case of dirofilariosis, the dog does not infect the human directly, but acts as a reservoir of this disease that also It is transmitted by mosquito bites.

The symptoms are varied, since we can find ourselves before cutaneous or general conditions. Given the role of the dog as a reservoir it is essential to establish a treatment, being better to follow the prevention guidelines that include deworming to repel the mosquito and, also, vaccination against leishmania.

Contagion of leptospirosis from dogs to humans

Having reviewed the main parasitic pathologies, we include in the list of diseases that transmit dogs to people to leptospirosis, a bacterial disease for which there is a vaccine. The symptoms it produces are varied and can affect the digestive system, liver or kidneys. The bacteria spreads through the urine and can remain on the ground for months. Dogs and humans become infected by coming into contact with it, entering the bacteria into the body through a wound or drinking contaminated water. It requires veterinary treatment.

External parasites that pass from dogs to humans

Both fleas like the ticks and the lice They are parasites that can easily pass from our dog to our skin. Although this change of host does not constitute a disease that is transmitted from dogs to people, we can also suffer the spread of some disease through the bite of these parasites, since, as we have seen throughout the article, they are carriers of several pathologies already mentioned and many more, such as Lyme disease.

In general, they produce symptoms such as itching, rashes, wounds and even gastrointestinal problems. To avoid a possible infestation, here are some prevention measures that should be taken into account.

Once the diseases that dogs transmit to the most common humans have been identified, these are the basic prevention guidelines:

  • Internal and external deworming, taking into account the most abundant parasites in our area and those of the destination if we travel with our dog.
  • Vaccination schedule.
  • Avoid walking at the hours of greatest presence of mosquitoes.
  • Cleaning, disinfection and adequate deworming of places and accessories of the dog, especially if we have more than one.
  • Hand washing whenever we manipulate the dog or its accessories. You have to be especially careful with children, as they usually put their hands in their mouths.
  • Go to the vet before any symptoms.

This article is purely informative, at ExpertAnimal.com we have no power to prescribe veterinary treatments or make any kind of diagnosis. We invite you to take your pet to the veterinarian in case he presents any type of condition or discomfort.

If you want to read more articles similar to 9 diseases that transmit dogs to humans, we recommend that you enter our Prevention section.

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