
Signs of ringworm in cats include:
- Hairless regions on the face or body
- Broken hairs
- Red, raised, dry, circular patches on you or your family members
- Itchiness
- Scaling (e.g., white flakes on the fur)
- Crustiness on your cat
- Open, ulcerated bumps (e.g., nodules)
- Discolored areas of skin (especially in Devon Rex cats)
What are the symptoms of ringworm in cats?
Ringworm fungi feed on the keratin that is found in the outer layers of the skin, hair and nails. A "cigarette ash" scaling in the depths of the coat may be the only visible indicator of ringworm infection in cats. Some cats may have round thickened patches of skin with hair loss.
How do vets test for ringworm in cats?
The vet may also check the cat under an ultraviolet light to look for the characteristic apple-green fluorescence given off by some ringworm species. The vet may also do a fungal culture, where the fungus is grown from sample coat brushings from the cat.
Can cats get ringworm from their hair?
Regardless of age, cats of all kinds (long-haired breeds than short-haired breeds) can be infected by ringworm. However, kittens have shown the most susceptibility. What Are The Causes of Ringworm in Cats?

How do I check my cat for ringworm?
Ringworm is commonly identified by the circular red sores it causes on the skin. This can be more difficult to see in cats than humans since cats are completely covered in fur. Comb through your cat's fur to see if you can find any areas of skin that are reddened, show new sores, bumps, or inflammation.
How does an indoor cat get ringworm?
It's even possible for indoor cats to get ringworm if they: Have contact with infected cats, dogs, people, or other animals. Visit a grooming or boarding care facility where ringworm spores are present. Touch furniture, carpet, or other surfaces containing ringworm spores.
Can I touch my cat if it has ringworm?
People with weaker immune systems are more at risk of catching ringworm from cats, including young children, elderly people, people undergoing chemotherapy or treatment involving transplants or transfusions. We recommend that you don't let children touch your cat if he or she has ringworm.
Will Cat ringworm go away by itself?
Ringworm can go away on its own, but it may take months. During that time, your cat could spread the infection to humans and other pets in your home. Not to mention, ringworm can be very uncomfortable for your cat. Medication will more quickly treat the infection and help relieve your cat's symptoms.
What kills ringworm in cats?
The most effective treatment for ringworm in cats is lime dipping in combination with oral anti-fungal medication. Other treatments include the application of topical anti-fungal cream and bathing with anti-fungal shampoo.
Can you get ringworm from cleaning a litter box?
Washing your hands after handling your cat's waste is important. Toxoplasmosis: This a single-celled parasite that can be spread and cause infections. Fungal Infections: A cat that spends too much time in a dirty litter box can contract fungal infections such as ringworm.
How do I clean my house after ringworm?
should be vacuumed, scrubbed, and washed with hot water, detergent, and 1:100 chlorine laundry bleach, or another effective disinfectant (see above). It is best to throw out any items that cannot be thoroughly disinfected. Walls, floors, lamps, etc. should be scrubbed and cleaned in a similar manner.
How long does cat ringworm last?
Although ringworm is a self-limiting infection in many cats with resolution typically taking three to five months, treatment of the disease is always necessary to minimize the risk of spread of infection to humans, especially children, and other pets.
What cures ringworm fast?
Over-the-counter antifungals can kill the fungus and promote healing. Effective medications include miconazole (Cruex), clotrimazole (Desenex) and terbinafine (Lamisil). After cleaning the rash, apply a thin layer of antifungal medication to the affected area 2 to 3 times per day or as directed by the package.
What are the chances of getting ringworm from a cat?
Other studies have shown that in 30%-70% of households in which a cat develops ringworm, at least one person will develop the condition. Young children, the elderly, and people whose immune function is compromised for any reason are most susceptible to the infection.
How common is ringworm in cats?
How Common Is Cat Ringworm? While some diseases are rare, ringworm makes its rounds; it is perhaps the most frequently encountered infectious skin disease of cats worldwide. While it can affect any cat, kittens with less robust immune systems are more likely to develop an infection.
How long is a cat contagious with ringworm?
Infected pets remain contagious for about three weeks if aggressive treatment is used. The ringworm will last longer and remain contagious for an extended time if only minimal measures are taken or if you are not compliant with the prescribed approach.
Can stress cause ringworm in cats?
Other felines who are more at risk of contracting ringworm include those with a suppressed immune system from diseases or overuse of steroids, senior or free-roaming cats, and cats who are under stress, malnourished or ill. Genetic factors may also play a role, as Persian cats appear to be more susceptible.
How long does cat ringworm last?
Ringworm infection may resolve on its own in about three or four months—but that's a long time for contamination to spread in your home. Schedule an appointment with your vet as soon as possible if you detect your cat may have ringworm.
What is ringworm in cats?
Ringworm in cats, also known as dermatophytosis, is caused by a fungal infection of the skin, most often caused by the fungus Microsporum canis ,according to the Merck Veterinary Manual.
How Do Cats Get Ringworm?
Cat ringworm is caused by a fungal organism that lives just about anywhere in the environment. It is found in soil and thrives particularly in warm, humid environments. Ringworm agents aren't restricted to soil, though; the fungal spores are tiny enough that they can easily hitch a ride on blankets, clothing and fur and be transported indoors, where they can flourish as well.
How Common Is Cat Ringworm?
While it can affect any cat, kittens with less robust immune systems are more likely to develop an infection. Long-haired cat breeds are also more susceptible, along with cats in high-population settings (such as catteries), cats with other systemic diseases that may weaken their immune system or cats with poor nutrition.
What is the Treatment for Ringworm in Cats?
No one likes giving cats oral medications; luckily, there are topical antifungal medications available in the form of creams and sprays that may be effective against ringworm. Clipping fur and dips available at the veterinarian are also useful tools to rid the infection.
How long does it take for ringworm to clear up in cats?
Ringworm can take weeks or months to clear when an infection has developed. Keeping your cat in their best health is the best way to ward off this itchy and lingering fungal skin infection.
How long does ringworm live in bedding?
Don't neglect the environment when dealing with a ringworm infection of either people or pets. The fungal spores may live in bedding or carpet for up to 18 months! A solution of bleach and water can be used to disinfect and kill the fungal spores: One pint of chlorine bleach (500 ml) in a gallon of water is effective on hard surfaces suitable for dilute bleach. This is very important to prevent recurrence of the infection.
What to do if you bring a new cat into your home?
If you bring a new cat into the home, consider a quarantine period for the new addition, along with a culture for the ringworm organism , especially if the new cat has any signs of an unhealthy coat or skin.
What is ringworm in cats?
Ringworm fungi feed on the keratin that is found in the outer layers of the skin, hair, and nails. A ’cigarette ash’ scaling in the depths of the coat may be the only visible indicator of ringworm infection in cats. Some cats may have round thickened patches of skin with hair loss. Hair loss (alopecia) occurs when the spores infect the hair shafts, ...
How is a ringworm infection diagnosed?
canis will glow with a yellow-green fluorescence when the skin and coat are examined in a dark room under a special ultraviolet lamp called a Wood's lamp. However, not all cases show clear fluorescence and some other species of dermatophytes do not fluoresce under a Wood’s lamp. Therefore additional diagnostics may needed to confirm that there are ringworm fungi present. Some skin ointments and other materials also fluoresce and may give a false positive result.
How is ringworm transmitted?
Ringworm is contagious and transmission occurs by direct contact with the fungus. It may be passed by direct contact with an infected animal or person, or by handling contaminated objects, or touching contaminated surfaces.
How long will my cat be contagious?
Infected pets remain contagious for about three weeks if aggressive treatment is used. The ringworm will last longer and remain contagious for an extended period of time if only minimal measures are taken or if you are not faithful with the prescribed approach. Minimizing exposure to other dogs or cats and to your family members is recommended during this period.
Why is ringworm called ringworm?
The name comes from the classical appearance of the round, red, raised 'ring' marking the boundary of inflammation in people infected with the disease. The common name of ringworm is somewhat misleading, in that it is not an infection caused by a worm, and the infected areas are not always ring-shaped.
How long does it take for ringworm to develop?
The incubation period between exposure to ringworm fungus and the development of ringworm lesions usually ranges from seven to fourteen days; some cases may take up to 21 days before signs of infection develop.
How long does ringworm treatment last?
Usually treatment lasts for a minimum of six weeks, and in some cases, much longer therapy is required. Ringworm cultures will be taken periodically after the start of treatment to determine if your pet is still infected. DO NOT stop treatment unless your veterinarian has made this recommendation.
How Is Ringworm in Cats Diagnosed?
The first step to treating ringworm in cats is to eliminate other skin conditions through a proper diagnosis by your veterinarian. Vets often use a Wood’s lamp (otherwise known as a black light) to identify ringworm. When exposed to its ultraviolet light, some types of ringworm have spores that glow green.
What light do you use to see if your cat has ringworm?
Vets often use a Wood’s lamp (otherwise known as a black light) to identify ringworm. When exposed to its ultraviolet light, some types of ringworm have spores that glow green. Even if your cat’s skin doesn’t glow under the special light, it’s still possible they could have ringworm.
How Do Cats Get Ringworm?
One of the reasons ringworm is easily spread is because the spores (invisible seeds) it releases can live on surfaces for up to two years . It’s even possible for indoor cats to get ringworm if they:
How to prevent ringworm from spreading?
Wash all fabrics in the home. If they can’t be washed, vacuum them. Sanitize cat toys, combs, and brushes, and clean surfaces with a diluted bleach solution.
What is ringworm in dogs?
Ringworm is a skin condition caused by a fungus that grows on hair, skin, and nails. It can infect cats and easily spread to dogs and people. Know the signs and symptoms of ringworm so you can treat and prevent it from spreading.
How long does it take for a cat to get contagious after a bath?
Lowe says you should start to see an improvement in your cat within four weeks. But keep in mind, your kitty will still be contagious for at least three to six weeks after starting aggressive treatments.
How long does it take for ringworm to go away?
Left untreated, ringworm usually goes away on its own, though it may take up to a year (and can infect others in the home during that time). To get your kitty feeling better faster and prevent ringworm from spreading, see a veterinarian as soon as you notice symptoms. By Kristi Valentini.
What are the symptoms of ringworm?
Some other symptoms of Ringworm are raised, rounded, knotty (nodular) lesions known as granulomatous lesions, or boils. Granulomas are raised nodular lesions that frequently ooze (kerions), as a result of ringworm infection. There may also be inflammation of the the folds of skin bordering the nail and other skin and nail folds - medically referred to as paronychia.
How to monitor cat's treatment?
A fungal culture is the only way of truly monitoring your cat's treatment. Many animals will improve and look like they are recovering with treatment, but they may remain fungal culture positive. It is advisable to repeat fungal cultures toward the end of treatment, and continue treatment until at least one culture result is negative. In resistant cases, fungal cultures may be repeated on a weekly basis, and treatment continued until two to three consecutive negative results are obtained. Complete blood counts should be performed weekly or biweekly for cats receiving griseofulvin, an anti-fungous antibiotic. Also, blood work to monitor liver changes may be indicated for cats receiving ketoconazole or itraconazole, two types of anti-fungal medications.
What is the term for a fungal infection in cats?
Dermatophytosis is the medical term for a fungal infection affecting the skin, hair, and/or nails (claws) of cats. The most common of these parasites are 'Microsporum Canis Trichophyton mentagrophytes, and Microsporum gypseum (Commonly Known as Ringworm).This disease occurs in dogs and other mammals, and, in cats, these infections are more common in long-haired breeds than short-haired breeds.
Why does my cat have dermatophytosis?
Causes. Ringworm is by far the most common cause of dermatophytosis in cats. The amounts of cases vary due your geographical location. Environments that are densely populated with animals (for example, in a cattery or animal shelter), or where there is poor nutrition, poor management practices, and lack of adequate quarantine period, ...
Why is my cat getting fungal infections?
Immunocompromising diseases, or immunosuppressive medications (factors that decrease the body's ability to develop a normal immune response) can raise the likelihood that your cat will be at risk of a fungal infection of the skin, hair, and/or nails, as well as increase the potential for a more severe infection .
How to prevent reinfection in cats?
To prevent reinfection from other animals, the use of a quarantine period and fungal (dermatophyte) cultures of all animals living in the household are necessary . Treatment of exposed animals should be considered to prevent repeated development of infection. The possibility of rodents aiding in the spread of the disease should also be considered. If you suspect that your cat has access to rodents, or that rodents are in your immediate environment, it is highly advised that you take the necessary steps to eliminate the pests.
How often should I check my cat's liver?
Complete blood counts should be performed weekly or biweekly for cats receiving griseofulvin, an anti-fungous antibiotic. Also, blood work to monitor liver changes may be indicated for cats receiving ketoconazole or itraconazole, two types of anti-fungal medications.
