Title: How to Tell if Cats Have Ringworm: A Comprehensive Guide


Ringworm is a common fungal infection that affects cats, among other animals and humans. Contrary to its name, ringworm is not caused by worms but rather by a group of fungi known as dermatophytes. Identifying ringworm in cats is crucial as it can spread easily to other pets and humans in the household. In this article, we will discuss how to tell if cats have ringworm and provide answers to frequently asked questions regarding this infectious condition.

How to Tell if Cats Have Ringworm:

1. Patchy Hair Loss: One of the most common signs of ringworm in cats is patchy hair loss. These areas may appear scaly and inflamed, resembling a circular lesion.

2. Reddish or Crusty Skin: Affected skin can become reddened or develop crusty patches, particularly around the ears, face, paws, and tail.

3. Itchy Skin: Cats with ringworm may exhibit scratching, licking, and excessive grooming behaviors due to the discomfort caused by the infection.

4. Dull or Brittle Coat: Ringworm can lead to changes in the texture and appearance of a cat’s coat. It may become dull, brittle, or excessively dry.

5. Circular Lesions: Ringworm lesions often have a defined circular shape with a red, raised border and a clearer center. These lesions can vary in size and number.

6. Hair Breakage: Affected hair may break easily, leading to a “moth-eaten” appearance. This occurs due to the weakening of the hair shafts caused by the fungal infection.

7. Scaliness and Crusting: Alongside patchy hair loss, the presence of scaly or crusty skin can indicate ringworm infection.

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8. Secondary Infections: Cats with ringworm may develop secondary bacterial infections due to the weakened skin barrier and constant scratching.

9. Inflamed and Swollen Skin: In some cases, ringworm lesions can become inflamed, swollen, and painful for the cat.

10. Minimal itching or hair loss in humans: While cats are more prone to showing clinical signs, humans living with an infected cat may experience only mild itching or minimal hair loss.

11. Diagnostic Tests: To definitively diagnose ringworm, a veterinarian may perform fungal cultures, microscopic examinations, or a Woods lamp test to detect fungal fluorescence.

FAQs about Ringworm in Cats:

1. Can cats transmit ringworm to humans?
Yes, cats with ringworm can transmit the infection to humans, especially those with weakened immune systems.

2. Can ringworm be cured in cats?
Yes, ringworm is treatable in cats. Your veterinarian may prescribe antifungal medications, topical treatments, or recommend environmental decontamination.

3. How long does it take for ringworm to clear up in cats?
Treatment duration varies, but it typically takes several weeks to months for the infection to clear completely.

4. Can indoor cats get ringworm?
Yes, indoor cats can still contract ringworm through contact with contaminated objects or other infected animals.

5. Is ringworm contagious between cats?
Ringworm is highly contagious among cats, and it can spread through direct contact or sharing contaminated items.

6. Can ringworm go away on its own in cats?
Ringworm may resolve spontaneously, but treatment is recommended to prevent spreading and alleviate discomfort.

7. Can I use over-the-counter antifungal creams on my cat?
No, it is essential to consult a veterinarian before using any human medication on your cat, as some can be toxic to them.

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8. Can cats develop immunity to ringworm?
Cats can develop immunity to ringworm after an infection, but they can still carry and transmit the fungus without showing symptoms.

9. Can I catch ringworm from my cat if I touch them?
Yes, direct contact with an infected cat or contaminated items can lead to ringworm transmission to humans.

10. How to prevent ringworm in cats?
Regularly clean and disinfect your cat’s living areas, avoid contact with infected animals, and practice good hygiene to minimize the risk.

11. Can cats with ringworm go outside?
It is best to keep cats with ringworm indoors to prevent the spread of infection and reduce the likelihood of re-infection.


Identifying the signs of ringworm in cats is crucial for prompt treatment and preventing the spread of infection. If you suspect your cat has ringworm, consult your veterinarian for a proper diagnosis and treatment plan. Remember, early intervention is key to ensuring your cat’s well-being and protecting the health of your entire household.