Pet Health

Parvo in Dogs

Learn what parvo in dogs is, its symptoms, treatment options, and preventive measures to keep your furry friend healthy and thriving.
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Close-up of a worried dog showing symptoms of parvo, highlighting the importance of early detection and treatment.

Video Call an Aussie Vet now for just $49 AUD

Dial A Vet is available in Australia, NZ, Canada, United States & Canada!
Speak to A Vet Now

Few things are as alarming to a dog owner as hearing the word “parvo.” Highly contagious and potentially life-threatening, parvovirus is a serious concern for puppies and unvaccinated dogs. If you’ve heard about parvo or suspect your dog might be at risk, you’re not alone. Understanding this disease is the first step toward protecting your furry friend. Let’s break it down together.

⚠️ What to Watch For

Parvovirus, often referred to as “parvo,” primarily affects the gastrointestinal system of dogs, though it can also target the heart in very young puppies. Symptoms can escalate quickly, so early detection is critical. Keep an eye out for these warning signs:

  • Severe, often bloody diarrhea
  • Vomiting
  • Lethargy or extreme fatigue
  • Loss of appetite
  • Fever or low body temperature
  • Dehydration (e.g., dry gums, sunken eyes)

If your dog exhibits any of these symptoms, especially if they’re a puppy or unvaccinated, treat it as an emergency. Parvo progresses rapidly and can be fatal without prompt treatment.

🔍 Possible Causes

Parvo is caused by the canine parvovirus, which spreads through direct contact with an infected dog or contaminated surfaces, such as food bowls, bedding, or even the ground. The virus is incredibly resilient and can survive in the environment for months, making it challenging to control outbreaks.

Some factors increase a dog’s risk of contracting parvo:

  • Incomplete or missing vaccinations
  • Exposure to infected dogs or contaminated areas
  • Weakened immune system
  • Puppyhood (dogs under six months old are most vulnerable)

Prevention through vaccination and good hygiene is key to reducing your dog’s risk.

✅ What You Can Do at Home

While parvo requires veterinary intervention, there are steps you can take at home to reduce risks and support your dog’s recovery if they’ve been exposed or are in treatment:

  • Ensure your puppy or dog is up-to-date on vaccinations.
  • Disinfect surfaces with a bleach solution (1 part bleach to 32 parts water) if parvo exposure is suspected.
  • Quarantine infected or exposed dogs to prevent spreading the virus to others.
  • Encourage hydration by offering fresh water or, if advised by your vet, electrolyte solutions.
  • Keep your dog’s environment clean and free of feces, as the virus is shed through stool.

However, home care is not a substitute for veterinary treatment. Parvo is life-threatening, and supportive care like IV fluids and medications must be administered by a vet.

💡 When to Call a Vet

If you suspect your dog has parvo, contact a veterinarian immediately. Time is critical, as the virus can cause severe dehydration and damage to the intestines. Early treatment significantly improves survival rates.

Signs that your dog needs urgent veterinary care include:

  • Persistent vomiting and diarrhea
  • Extreme weakness or collapse
  • Refusal to drink water
  • Rapid weight loss

Even if you’re unsure, consulting a vet is always the safest option. Many clinics offer payment plans or financial assistance if cost is a concern, as treating parvo can be expensive but lifesaving.

FAQs

Q: Can parvo be prevented?
A: Yes, vaccination is the most effective way to prevent parvo. Puppies should receive a series of vaccines starting at 6–8 weeks old, with boosters every 3–4 weeks until they’re 16 weeks old. Adult dogs require regular boosters as advised by your vet.

Q: How long does parvo last in the environment?
A: Parvo can survive on surfaces for months and even up to a year in some conditions. Disinfect with a bleach solution and avoid high-risk areas (e.g., dog parks) until your dog is fully vaccinated.

Q: Can humans or other pets get parvo?
A: Parvo does not infect humans, but unvaccinated dogs and some wild animals (like foxes) are at risk. Cats can contract a related virus, but it’s not the same strain as canine parvovirus.

Book a $49 online vet consultation at https://www.dialavet.com for fast, expert advice.

References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
Speak to A Vet Now

🐾 You Might Also Like

📈 Popular Pet Topics Right Now