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What Every Pet Owner Needs to Know About Dangerous Pet-Borne Diseases

Domesticated pets bring joy, companionship, and numerous mental health benefits to their owners. However, these beloved animals can also carry diseases that are transmissible to humans, known as zoonotic diseases. Understanding the risks, how these diseases are transmitted, and the measures to prevent them is essential for maintaining the health and safety of both pets and their owners.

1. Rabies

Dog biting.
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Rabies is a viral disease that affects the central nervous system and is almost always fatal once symptoms appear. While vaccination programs have made rabies rare in domesticated pets, unvaccinated animals can still pose a risk.

  • Transmission: Through bites or scratches that break the skin.
  • Prevention: Regular rabies vaccinations for pets, avoiding contact with stray or wild animals, and immediate medical attention if bitten.

2. Toxoplasmosis

Outdoor cat.
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Caused by the parasite Toxoplasma gondii, toxoplasmosis is often associated with cats, particularly those that hunt outdoors.

  • Transmission: Contact with infected cat feces or contaminated soil.
  • Prevention: Clean litter boxes daily, wear gloves while gardening, and wash hands thoroughly after handling soil or cat litter.

Pregnant Women Should Not Clean Litter Boxes

Pregnant woman.
Pregnant woman. Marncom via Canva.

Pregnant women are often advised not to clean cat litter due to the risk of exposure to toxoplasmosis, a disease caused by the parasite Toxoplasma gondii. This parasite can be present in the feces of infected cats and poses significant risks to pregnant women and their unborn babies.

Why Toxoplasmosis Is Dangerous for Pregnant Women

Pregnant woman.
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  1. Fetal Infection Risk: If a pregnant woman becomes infected with Toxoplasma gondii for the first time during pregnancy, the parasite can cross the placenta and infect the fetus. This is called congenital toxoplasmosis.
  2. Potential Harm to the Baby:
    • Miscarriage or Stillbirth: Severe cases of congenital toxoplasmosis can lead to pregnancy loss.
    • Birth Defects: Babies born with the infection can experience serious complications such as brain damage, hydrocephalus (fluid in the brain), seizures, and eye damage that may cause blindness.
    • Later Symptoms: Some infants may appear healthy at birth but develop hearing loss, intellectual disabilities, or vision problems as they grow.

3. Ringworm

Ringworm.
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Despite its name, ringworm is not a worm but a fungal infection that causes circular, itchy rashes.

  • Transmission: Direct contact with infected animals or contaminated objects such as bedding or brushes.
  • Prevention: Regularly clean pet bedding and grooming tools and treat infected pets promptly.

4. Salmonellosis

pet turtle.
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This bacterial infection can cause severe gastrointestinal distress in humans and is commonly linked to reptiles, amphibians, and birds, but can also affect cats and dogs.

  • Transmission: Handling infected animals or consuming contaminated food or water.
  • Prevention: Practice good hygiene, wash hands after handling pets, and avoid raw diets for pets that could contain salmonella.

5. Cat Scratch Disease (CSD)

Cat scratch disease.
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Caused by the bacterium Bartonella henselae, CSD can lead to fever, swollen lymph nodes, and fatigue.

  • Transmission: Scratches or bites from infected cats, particularly kittens.
  • Prevention: Avoid rough play with cats, keep cats’ claws trimmed, and wash scratches or bites immediately with soap and water.

6. Leptospirosis

Dog nose.
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Leptospirosis is a bacterial disease that affects both humans and animals and can lead to severe liver or kidney damage.

  • Transmission: Contact with urine from infected animals, or contaminated water or soil.
  • Prevention: Vaccinate pets against leptospirosis, avoid stagnant water, and use protective gear when cleaning up animal urine.

7. Campylobacteriosis

woman in pain clutching stomach.
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This bacterial infection can cause diarrhea, abdominal cramps, and fever in humans.

  • Transmission: Contact with infected animals, their feces, or contaminated food or water.
  • Prevention: Wash hands thoroughly after handling pets or cleaning up after them and ensure pets are kept in sanitary conditions.

8. Psittacosis

Parrot.
Olga Pink via Shutterstock.

Also known as parrot fever, this bacterial infection primarily affects birds and can cause flu-like symptoms in humans.

  • Transmission: Inhaling dust from dried bird droppings or respiratory secretions.
  • Prevention: Regularly clean bird cages, wear a mask when cleaning, and maintain good ventilation.

9. Lyme Disease

Tick.
Radovan1 via Shutterstock.

While pets do not directly transmit Lyme disease, they can carry infected ticks into the home.

  • Transmission: Bites from infected ticks carried by pets.
  • Prevention: Use veterinarian-recommended tick prevention products, check pets for ticks after outdoor activities, and maintain a tick-free yard.

10. Giardiasis

woman pulling on toilet paper roll. Bathroom.
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This intestinal infection is caused by the parasite Giardia and can lead to diarrhea, bloating, and abdominal discomfort.

  • Transmission: Contact with infected pet feces or contaminated water.
  • Prevention: Maintain clean living spaces for pets, avoid letting pets drink from stagnant water sources, and wash hands after handling pets or cleaning up after them.

General Prevention Tips

smart woman.
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Here are general good practices.

Vaccinations and Regular Vet Visits

Speaking with veterinarian.
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Keeping your pet’s vaccinations up to date is one of the most effective ways to prevent zoonotic diseases. Regular check-ups allow veterinarians to identify and treat potential health issues early.

Hygiene Practices

women washing hands.
Image credit Krasula via Shutterstock.
  • Wash hands thoroughly after handling pets, their waste, or their food.
  • Use gloves when cleaning litter boxes, bird cages, or aquariums.
  • Regularly clean and disinfect pet bedding, toys, and feeding areas.

Pet Nutrition and Parasite Control

dog eating licking his chops.
Gladskikh Tatiana via Shutterstock.
  • Feed pets a balanced diet and avoid raw or undercooked foods.
  • Use preventive treatments for fleas, ticks, and worms as recommended by your veterinarian.

Safe Interaction

Family with dog near car.
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  • Teach children to handle pets gently and avoid rough play that might lead to bites or scratches.
  • Supervise interactions between pets and young children.

Environmental Management

baby girl and dog in yard.
Image credit Monkey Business Images via Shutterstock.
  • Keep your yard clean and free of animal waste.
  • Avoid letting pets roam unsupervised in areas where they might encounter wild animals.
  • Secure trash bins to prevent pets from scavenging and potentially contracting diseases.

Know When to Seek Medical Attention

Talking with doctor.
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If you or a family member experiences symptoms such as fever, fatigue, rash, or gastrointestinal issues after interacting with a pet, consult a healthcare provider. Be sure to mention any recent contact with animals to help guide diagnosis and treatment.

The Role of Education and Awareness

Dog and child and mom.
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Educating yourself and others about the risks of zoonotic diseases is crucial for prevention. Schools, community centers, and veterinary clinics can play a vital role in spreading awareness through workshops, pamphlets, and social media campaigns.

Conclusion

pets.
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While the benefits of pet ownership far outweigh the risks, being aware of zoonotic diseases is an important aspect of responsible pet care. By taking preventive measures such as regular veterinary care, good hygiene practices, and safe interaction guidelines, you can enjoy a happy and healthy relationship with your furry, feathery, or scaly friends. With a little vigilance, you can minimize the risks and maximize the joys of pet ownership.

How Science Now Calculates Dog and Cat Years: How Old Is Your Pet Really?

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Pet owners often wonder how old their furry friends would be in human years, a curiosity fueled by the strong bond we form with our cats and dogs. The classic belief that each dog year equals seven human years is now widely considered inaccurate, as recent scientific advancements have provided a more nuanced understanding. Both dogs and cats age differently depending on their species, breed, and size, leading researchers to develop more sophisticated methods to measure their equivalent “human” age.

READ: How Science Now Calculates Dog and Cat Years: How Old Is Your Pet Really?

Understanding The Surge In Veterinary Costs: Is It Becoming Too Expensive To Have A Pet?

Vet, woman and dog.
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If you own a pet, we bet you have noticed that veterinary care costs are escalating, leaving many of us with sticker shock and struggling to secure timely appointments. There are reasons for this burgeoning phenomenon; we unveil the many factors steering this surge. Read: Understanding The Surge In Veterinary Costs: Is It Becoming Too Expensive To Have A Pet?

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Author

  • Dede Wilson Headshot Circle

    Dédé Wilson is a journalist with over 17 cookbooks to her name and is the co-founder and managing partner of the digital media partnership Shift Works Partners LLC, currently publishing through two online media brands, FODMAP Everyday® and The Queen Zone.

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