Dog Health

Top 10 Dog diseases that can affect humans and how to prevent them

Dog diseases that affect humans
Dog diseases that affect humans

Because of infection, pets can transmit many diseases to people, especially those who live with us at home and share with us all the details of life such as dogs.
Today we will identify the most important dog diseases that can be transmitted to people, and we will review the most important precautions to be taken in the case of dog breeding at home.
In addition to the methods of treatment and vaccination that must be provided to domestic dogs to prevent dog diseases.

Dog diseases that affect humans


This disease is of animal origin, that is, it is transmitted from one animal to another or from an infected dog to a human being, through the saliva of the infected dog, either by licking scratches in the owner’s body or by biting.

The main cause of this disease is a type of virus called “rabies virus”.

This 100% fatal disease if not treated in time, because this virus resists cooling for a long time and is not affected by the use of topical antiseptics used for wound disinfection.
This dog disease is considered one of the most serious diseases in dogs, as it causes severe inflammation of the central nervous system in the brain.
The most common symptoms of rabies in infected people are as follows:
• Intense pain in the infected organ.
• A sudden increase in body temperature.
• The great difficulty in swallowing food due to strong contractions of the muscles of the jaw, throat.
• Cramps, nervous contractions, and the appearance of involuntary movements.

Prevention methods of Rabies:

  • Vaccinate your dog: Dogs can be vaccinated against rabies under the supervision of your veterinarian, who knows how often you need to be vaccinated to protect them and ensure your health.
  • If you see stray dogs and cats, you should inform local authorities by contacting local animal control officials or other law enforcement officials.
  • Protect your home from bats by closing cracks and gaps that bats can enter your home because bats quickly transmit this disease to your dog.
  • If you are traveling to remote areas where it is difficult to find medical care, you should consult your doctor to find out if you should receive the rabies vaccine.

Dog Tapeworm

This worm lives in the dog’s intestines and comes out in the form of eggs with dog excrement.

When an animal licks its anus by the tongue, these eggs move to its mouth and then to the bowl of food while eating or drinking, and then to any other animal using the same bowl.
They can also be passed on to dog owners by touching saliva or kissing.

These eggs then move into the stomach of the infected person and mature to emerge as small worms and infiltrate the blood, then spread into the organs of the body and reach the liver, lung, heart or brain and develop inside the organ affected by the formation of vesicles the origin of the disease.

The main symptoms that characterize this dog disease are:

  • Colic and tendency to vomit.
  • Coughing and severe bleeding in the lungs.
  • Severe headaches.

Prevention methods:

  • Wash the bowls with strong disinfectants to remove worms so that they do not spread to the people around them.
  • Do not share food with domestic dogs.
  • Do not kiss the dogs and do not approach his mouth.
  • We should stop children from rubbing their dog’s mouths.


Toxocara roundworms cause a parasitic disease known as toxocariasis.
This dog disease can affect humans by swallowing worm eggs from the environment around the dog.

These larvae can pass from the bitch to their puppies through milk, which transmits the infection to their young.
Puppies with this disease do not develop.

Children are often affected by these roundworms, they invade the retina and cause infections, scars and eventually blindness.
Also, these larvae can invade parts of the body, such as the liver, lungs or central nervous system.

The main symptoms that characterize Roundworm:

  • Nausea.
  • Vomiting.
  • Diarrhea and intestinal obstruction.
  • Anorexia.
  • The presence of a few worms in the stool.
  • Severe abdominal pain.
  • Fast weight loss

Ways to prevent this dog disease:

  • Your hands should be thoroughly washed with soap and hot water after playing with the dog or outdoor activities.
  • Do not let children near dog stools.
  • Clean up after your pets periodically.
  • Accompany the dog to the vet to avoid infections from dog diseases.


Campylobacter among dog diseases that are transmitted by contaminated food, especially meat, eggs or water, or by contact with the feces of infected dogs.

Among the most important reasons for considering this disease to be very dangerous, dogs with Campylobacter may not have any signs of the disease, or they may have diarrhea and a very low fever from which the dog disease cannot be diagnosed.
Campylobacter can also cause serious fatal infections in infants and the elderly.

Most common symptoms of campylobacteriosis in infected people:

Most of the time, symptoms of this disease begin within two to five days of the illness and continue for about a week.
The symptoms of this dog disease in infected people are:

  • Diarrhea (often bloody)
  • fever
  • Abdominal cramps.
  • In rare cases, diarrhea is accompanied by nausea and vomiting.

Note: Some infected people have no symptoms and this is very dangerous, so it is necessary to consult a doctor regularly if you have a domestic pet in the house.

For the elderly, young children and people with weakened immune systems, Campylobacter spreads in most cases to the bloodstream and causes an infection that sometimes leads to death.

Prevention methods:

  • Fortunately, people with a strong immune system will recover without treatment.
  • Diarrhea can be eliminated by drinking plenty of fluids such as water to avoid dehydration.
  • People who have had this dog disease and are in poor health should visit a doctor to take the appropriate medication.


These worms live in the dog’s intestines and suck its blood, causing potentially fatal blood loss, especially in young puppies.
The eggs of Hookworms that come out with pet feces can pass through people’s skin if they come into contact with feces with your bare feet.

Hookworms in Dogs
Hookworms in Dogs

Symptoms in infected people with this dog disease:

generally, you do not notice any major symptoms of this disease, but we can notice:

  • Rash in the affected organ.
  • Coughing or wheezing
  • Irregular pain in the stomach.
  • Anorexia, which often leads to anemia.

Ways to prevent this dog disease:

The methods of preventing this disease are very easy and are:

  • Wearing shoes when leaving the house to avoid contact with dog feces.
  • Avoid contact with the soil on which the dog is playing, which may be contaminated with dog litter.
  • Avoid contact with the affected dog’s toys without wearing gloves.


Leptospirosis is caused by a bacterial infection that spreads through contact with infected dog urine.
The most important sources of this dog disease are wildlife, such as mice and rats.

Also, stagnant and contaminated water is one of the most important sources of Leptospirosis.
Bacteria can be transmitted from affected dogs to humans who deal with animal urine.

Most common symptoms of Leptospirosis in infected people:

Among the most common symptoms of this dog disease in people are:

  • High temperature
  • Headache accompanied by chills
  • Muscle pain and abdominal pain
  • Vomiting
  • The yellow color appears on the skin and in the eyes.

Ways to prevent Leptospirosis:

To avoid the risk of leptospirosis, you should:

  • Not swimming in water that may be contaminated with animal urine.
  • Avoid contact with or playing with potentially infected animals.
  • Wear shoes and clothing appropriate for exposure to contaminated water or soil.

Sarcoptic Mange 

Dog sickness is called this scab
This disease causes severe itching and irritation due to the presence of a small mite hiding in the skin.
This disease is not only contagious among dogs, but it can also infect humans.
In humans, the infection is not dangerous and they do not show the same symptoms as dogs. They are hosts of this dog disease and do not lose hair like infected dogs.

Symptoms in infected people:

In humans, it causes scabies:

  • A rash of red bumps, similar to mosquito bites.
  • Humans cannot get demodectic mange from dogs.

Ways to prevent:

Treatment of scabies is usually recommended for members of the same family, especially for those who have experienced skin contact for a long time.

  • If you notice that your dog is suffering from severe itching and is losing spots of hair, all you have to do is contact your vet immediately to avoid complications from this disease.
  • If your dog is present with a group of dogs or other animals, it should be isolated directly to avoid infection.
  • Avoid touching the affected person’s skin or using the same things like clothing or bedding.


Giardia is a parasitic dog disease that is transmitted through contaminated drinking water by a protozoal parasite.
Infection occurs from infected dogs to humans or vice versa.

Intestinal giardia occurs as cysts in the external environment.
This form allows the parasite to ensure its survival until the host (human or animal) is contaminated.


  • Digestive disorders are the most common symptoms of this disease canine, they appear within one to three weeks of contamination.
  • Severe diarrhea with vomiting and severe stomach pain.
  • Lose weight.

Prevention methods:

The spread of this disease can be reduced by taking necessary hygiene measures (hand hygiene, cooking utensils, etc.)
Wastewater treatment, sanitation installation and use…

Salmonellosis (Salmonella spp.)

This disease is transmitted to humans through contaminated food, especially eggs and meat or in contact with dog feces.
Although it is not considered a serious dog disease, when it is transmitted to humans it is considered a serious disease…
Infants and the elderly are most susceptible to this disease.

Most common symptoms of Salmonellosis in infected people:

Common symptoms of salmonella include:

  • diarrhea
  • Vomiting
  • Fever
  • Abdominal cramps.

Ways to prevent this dog disease:

  • Avoid eating raw meat and not eating uncooked eggs.
  • Hands should be thoroughly washed with soap and water before and after eating.
  • Not mixing cooked food with raw food and avoiding using the same utensils to prepare it. For example, changing the knife or washing it well to cut vegetables after using it to cut raw chicken …
  • Wash raw fruits and vegetables well.

Methicillin-Resistant Staph Aureus (MRSA)

Methicillin-resistant Staphylococcus aureus is considered one of the most common canine diseases that are transmitted to humans by pets.
This disease is characterized by slow healing in dogs and permanent infections, especially in the ears, in addition to fever and swelling of the skin.
If you suspect that your dog has this disease, you should present it directly to the veterinarian.

The main symptoms:

Most symptoms of this disease in humans appear in the form of small red bruises that resemble pimples, boils, or spider bites.
Then it quickly turns into deep, painful abscesses that require surgical drainage.
Care must be taken carefully, as sometimes bacteria remain trapped in the skin and cause serious complications.

Ways to prevent MRSA:

A few simple steps can be taken to reduce the possibility of developing an MRSA infection:

  • Clean hands and body thoroughly especially after playing from dogs.
  • Cover and clean wounds and scratches until they heal.
  • See a doctor early if you suspect you have this dog disease.

In closing, we hope that we have benefited you with everything about dog diseases that can affect humans, symptoms and how to prevent them.
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Before saying goodbye, I hope you’ve read this article, which will help you choose the right health insurance for your dog to protect him from diseases that can affect him: Dog Health insurance: All you need to know