Skin fungal diseases in cats | The most common fungi in cats

The most common fungi in cats cause skin diseases 

The most common fungi in cats cause skin diseases 

One of the worst problems that breeders can face is infection with skin fungal diseases in cats. Fungal diseases can affect your pet’s friend and cause him serious health problems due to the ease of infection and because they need treatment for a long time.fungi in cats

There are a variety of fungal diseases that can affect the cat’s skin or affect the body’s systems. Some may not cause serious problems and disappear with medication. However, there are certain types of fungi in cats that can harm your cat’s skin and endanger its health

What is the infection of skin fungal diseases in cats?

  • Fungi are parasitic organisms that have the ability to produce spores, non-living form that fungi use either to reproduce or to keep themselves alive for as long as possible in inappropriate environmental conditions of life, such as a lack of water, nutrition, or inappropriate pH
  • They get their nutrition by absorbing food from the hosts they grow on.
  • There are many types of fungi in the environment, but only some of them cause the infection of fungi in cats
  • The main source of most infection is soil, because it contains infectious spores of fungi with a large proportion.
  • Fungal diseases can be caused by open skin (for example, skin cuts or skin openings).
  • Some fungal diseases can cause disease in healthy animals, while others require a sick, weak, or weak immune host to prove the infection.
  •  Prolonged use of antibiotic drugs or immunosuppressive agents increases the possibility of a fungal infection.

What are the symptoms of skin fungal diseases in cats?

  • Depending on the type of fungus present, infection of fungi in cats skin can cause a variety of symptoms.
  • Here are some of the symptoms that vets often see in skin fungal diseases in cats:
  1. Skin redness
  2. The formation of scales on the skin
  3. Hair loss Why Hair loss in cats? treatment of cat hair loss
  4. Excess fat on the skin that can smell foul 
  5. Increase the thickness of the skin
  6. Swollen lymph nodes
  7. Create a small nodule under the skin
  8. Lack of energy and general weakness
  9. fever
  10. Depression

What are the types of skin fungal diseases in cats?

There are three common types of fungi in cats:

  1. Malassezia or yeast 
  2. Ringworm infection
  3. sporotrichosis
  • Malassezia  skin fungal diseases in cats

  • Malassezia forms part of the natural fungi in cats found on the surface of the skin, ears, oral cavity and body openings
  • All cats have this organism on their skin, but not all cats will have or will develop Malassezia.
  • Malassezia yeasts are considered commensal fungal organism, that is, they do not invade the deeper tissues of the skin and live only on the surface layers of the skin.

  • Infection skin fungal diseases in cats

    : Infection causes skin fungal diseases in cats as a result of inflammation from hypersensitivity to yeast byproducts and their antigens.

  • There are many cat species that are more susceptible to the growth of yeast fungus, such as:
      1. Devon Rex
      2. Himalayan
  • The presence of yeast inflammation on the cat’s skin is always the result of an underlying disease or a stimulant that leads to a weakening of the cat’s body immunity, which allows the occurrence of Malassezia infection. Some of these diseases such as:
  1. Leukemia in cats
  2. Virus deficiency immunity in cats
  3. Diabetes in cats
  4. Allergic dermatitis against flea (FAD)
  5. Seasonal skin allergy
  6. Food allergy What is the appropriate food for cats??

fungi in cats
(black nails bed)

skin fungal diseases in cats
(chronic acne in the area of ​​chin)

Symptoms: Among the most important symptoms of skin fungal diseases in cats:

    1. Otitis media and recurrent itching
    2. Chronic otitis media
    3. chronic acne in the area of ​​chin
    4. Inflammation of the folds of the facial skin
    5. black nails bed (often first noted as “biting toenails”)
    6. Idiopathic itching and peeling on the hair coat
  • (black nails bed)Treatment: treatment options include topical treatment, systemic therapy, or a combination of both
  • Topical treatment for the ears is often used, and includes the use of cortisone and antifungals 
  • The preferred systemic drug for cats is itraconazole 3-5 mg / kg orally once daily for 15 to 30 days. Usually there is a big improvement over 7-10 days
  • It is important to remember that infection of Malassezia skin fungal diseases in cats is often associated with infection with a secondary bacterial infection and treatment may be required for both.
  • Ringworm infection skin fungal diseases in cats

  • Ringworm is a type of infection of fungi in cats caused by a specific type of fungus that has the ability to grow on the surface of the skin and the use of surface layers of skin, hair, or nails as a source of nutrition.
  • Infection: ringworm is contagious and transmission occurs through direct contact with fungi.
  • Injury may occur through direct contact with an infected animal or person, or by dealing with contaminated objects, or touching contaminated surfaces.
  • Fungal spores may remain in combs, brushes, food bowls, furniture, brushes, carpets, or other environmental surfaces for several months (said to be up to 18 months)
  • The incubation period ranges from exposure to Ringworm to symptoms of skin fungal diseases in cats, usually between seven and fourteen days. Some cases may take up to 21 days before signs of infection appear
  • Most cases of ringworm caused by M. canis glow, causing a greenish yellow light when the skin and hair are examined in a dark room under a special UV lamp called (Wood’s lamb).

  • Symptoms

    : hair loss in the form of bald circular spots with red spots, itching or white, scaly skin.

  • Treatment

    : Although ringworm is a self-healing infection in many cats, treatment of the disease of fungi in cats is always necessary to reduce the risk of spreading the infection to humans, especially children, and other pets.

  • Transmission to humans(zoonosis): ringworm can be easily transmitted to humans, especially children, and it is important to take appropriate steps to reduce exposure to fungi while treating a cat
  • Ringworm is more likely to be transmitted in people with weakened immune systems
  • Sporotrichosis

  • skin fungal diseases in catsOne of the skin fungal diseases in cats, which affects areas under the skin of humans and animals in some tropical and sub-tropical areas. Among the pet types, cats are the most infected.
  • Infection: The primary method of transmission is the direct transmission of fungi from plants and soil. Contact with infected cats is the main means of transmission to humans, especially in endemic areas such as Brazil, where a major epidemic has occurred in the past decade.
  • Symptoms: Most cases of fungi in cats are cutaneous, and appear as multiple ulcerated nodules in the skin. Inflammation of the lymph nodes, respiratory disorders, and proliferation may also occur within the body’s systems.
  • Diagnosis

    : Diagnosis of the skin fungal diseases in cats is based on skin sampling and microscopy by cytology and / or histology, and bacterial and fungal culture is confirmed.

  • Treatment:

    Treatment consists of antifungals in cats for at least two months, with itraconazole as the first option.

  • Prevention

    : Contact with infected cats carries a great animal risk. Cat owners traveling to endemic areas should be warned and advised to keep cats indoors to prevent infection.


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