Pet Health

Ringworm in Cats: Causes, Treatment, and Prevention (Vet-Reviewed)

Discover the causes, effective treatments, and prevention tips for ringworm in cats in our vet-reviewed guide. Keep your feline friend healthy and happy!
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Close-up of a cat's affected skin with ringworm lesions, illustrating the symptoms and appearance of feline ringworm.

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Is your cat suddenly scratching more than usual or developing odd circular patches of hair loss? These could be signs of ringworm, a common fungal infection that can affect cats of all ages. While the name might sound alarming, ringworm isn't caused by worms at all—it's actually a skin infection caused by fungi. The good news? It's treatable and preventable with the right care.

⚠️ What to Watch For

Ringworm can present in several ways, and recognizing the symptoms early is key to stopping its spread. Here are the most common signs of ringworm in cats:

  • Round, hairless patches of skin, often with redness or crusting
  • Excessive scratching or grooming
  • Dull or brittle fur
  • Red or scaly lesions, typically on the face, ears, paws, or tail
  • In severe cases, widespread hair loss and skin irritation

It’s worth noting that some cats can carry ringworm without showing obvious symptoms. This is especially common in kittens or cats with weaker immune systems.

🔍 Possible Causes

Ringworm is caused by a group of fungi called dermatophytes, which thrive in warm, humid environments. Cats can contract ringworm in several ways:

  • Direct contact with an infected animal
  • Exposure to contaminated objects like bedding, brushes, or furniture
  • Contact with fungal spores in the environment, such as soil

Cats with weakened immune systems, such as kittens, elderly cats, or those with underlying health conditions, are more susceptible to ringworm. Additionally, long-haired breeds may be at higher risk because their thick coats can trap fungal spores.

✅ What You Can Do at Home

If you suspect your cat has ringworm, there are steps you can take at home to manage the situation while awaiting veterinary advice:

  • Isolate the infected cat to prevent spreading the fungus to other pets or humans.
  • Wash your hands thoroughly after handling your cat or cleaning their environment.
  • Disinfect surfaces, bedding, and grooming tools with a pet-safe antifungal cleaner.
  • Vacuum frequently to remove fungal spores from carpets and furniture.

Keep in mind that while these measures can help control the spread of ringworm, your cat will still need veterinary treatment to fully recover.

💡 When to Call a Vet

If your cat shows any signs of ringworm, it’s important to consult a veterinarian promptly. A vet can confirm the diagnosis using one or more methods, such as:

  • Examining your cat under a Wood’s lamp (a special UV light)
  • Taking a skin or hair sample for fungal culture
  • Performing microscopic examination of the affected area

Once diagnosed, your vet will recommend an appropriate treatment plan. This typically includes antifungal medications, either in the form of topical creams, oral tablets, or medicated shampoos, depending on the severity of the infection. Follow your vet’s instructions closely to ensure effective treatment and prevent recurrence.

🩺 Vet Recommendations

Preventing ringworm in cats requires a combination of good hygiene and proactive care. Here are some tips from veterinarians to minimize your cat’s risk:

  • Regularly clean and disinfect your cat’s living areas, including bedding, litter boxes, and toys.
  • Keep your cat’s coat clean and groomed, especially if they are a long-haired breed.
  • Limit your cat’s exposure to stray animals or unfamiliar environments that may harbor fungal spores.
  • Maintain a healthy diet and routine veterinary checkups to support your cat’s immune system.

If you have multiple pets, monitor them for symptoms of ringworm and consult your vet if you notice any signs of infection. Early intervention can prevent a larger outbreak.

FAQs

Q: Can humans get ringworm from cats?
A: Yes, ringworm is zoonotic, meaning it can spread between animals and humans. If you suspect your cat has ringworm, avoid direct contact with the affected areas and wash your hands after handling them. Consult your doctor if you notice any skin lesions on yourself or family members.

Q: How long does it take to treat ringworm in cats?
A: Treatment duration varies depending on the severity of the infection and the type of treatment used. Most cases resolve within 4–6 weeks with consistent care, but severe infections may take longer. Your vet will guide you on the best course of action.

Q: Can ringworm come back after treatment?
A: Recurrence is possible if fungal spores remain in the environment or if treatment isn’t completed as prescribed. Following your vet’s instructions and maintaining a clean living space can help prevent reinfection.

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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  😄
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