Pet Health

What is Cat Scratch Fever? (Symptoms & Treatment)

Discover what Cat Scratch Fever is, its symptoms, and effective treatments. Learn how to manage this common infection and keep your feline friend healthy!
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
A close-up of a cat scratching a human's arm, illustrating symptoms of Cat Scratch Fever.

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

Did your cat accidentally scratch you, and now you’re feeling a bit off? Or maybe you’ve heard of “Cat Scratch Fever” and are wondering if it’s something you need to worry about. As a pet parent, it’s natural to want to understand any risks associated with your furry friend. Let’s break down what Cat Scratch Fever is, its symptoms, and how to handle it.

⚠️ What to Watch For

Cat Scratch Fever, also known as Cat Scratch Disease (CSD), is a bacterial infection caused by Bartonella henselae. It’s typically transmitted through the scratch or bite of a cat, especially if the cat is carrying the bacteria. While it’s relatively rare, it’s important to recognize the symptoms in both humans and cats to manage the situation effectively.

Symptoms of Cat Scratch Fever in humans may include:

  • A small bump or blister at the site of the scratch or bite
  • Swollen lymph nodes, often near the affected area
  • Fever, fatigue, or headache
  • Muscle pain or discomfort

Most cats carrying Bartonella henselae don’t show any signs of illness. However, some may experience symptoms such as:

  • Mild fever
  • Lethargy
  • Loss of appetite

If you or your cat show any of these signs, it’s a good idea to monitor closely and take action if needed.

🔍 Possible Causes

The Bartonella henselae bacteria are commonly found in cats, particularly young kittens. Fleas play a big role in spreading the bacteria among cats. When an infected flea bites a cat, it can introduce the bacteria into the cat’s bloodstream. Cats may also pick up the bacteria from flea dirt (droppings) during grooming.

Humans typically contract Cat Scratch Fever through:

  • A scratch or bite from an infected cat
  • Contact with a cat’s saliva on broken skin
  • Rarely, through exposure to flea dirt

While the condition can affect anyone, it’s more common in children and people with weakened immune systems, as they may be more vulnerable to bacterial infections.

✅ What You Can Do at Home

If you’ve been scratched or bitten by a cat, here’s what you should do:

  • Wash the wound immediately with soap and water to reduce the risk of infection.
  • Apply an over-the-counter antibiotic ointment and cover the wound with a clean bandage.
  • Keep an eye on the area for signs of infection, such as redness, swelling, or pus.

If your cat is showing mild symptoms like lethargy or loss of appetite, ensure they have access to fresh water, their regular diet, and a calm, stress-free environment. Monitor their behavior and appetite closely over the next few days.

💡 When to Call a Vet

In most cases, Cat Scratch Fever is mild and resolves on its own. However, there are times when professional help is essential:

For humans:

  • If the scratch or bite becomes red, swollen, or painful
  • If you develop a fever, swollen lymph nodes, or persistent fatigue
  • If you have a weakened immune system due to a medical condition

For cats:

  • If your cat is showing unusual symptoms like prolonged lethargy or not eating
  • If you suspect they have a flea infestation

In both cases, your vet or doctor can provide the appropriate treatment. For humans, this might include antibiotics. For cats, your vet may recommend flea prevention and other supportive care to ensure their health.

FAQs

Q: Is Cat Scratch Fever dangerous?
A: For most healthy individuals, Cat Scratch Fever is mild and resolves without complications. However, it can be more serious for people with weakened immune systems. Always seek medical advice if you’re unsure.

Q: How can I prevent Cat Scratch Fever?
A: Keep your cat on a good flea prevention program, avoid rough play that might lead to scratches or bites, and wash any scratches or bites immediately. Regular vet check-ups can also help ensure your cat stays healthy.

Q: Can I still cuddle my cat if they carry Bartonella henselae?
A: Yes! Simply practice good hygiene, like washing your hands after handling your cat and keeping their nails trimmed. Flea prevention is key to reducing the risk.

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