I learn about a cat's disease call SPOROTRICHOSIS.
it is a fungal infection that occursthrough traumatic inoculation of organic matter that is contaminatedwith Sporothrix schenckii and is usually limited to the skinand subcutaneous tissue.
In cats, sporotrichosis varies from an asymptomatic infection to a fatal disseminated systemic disease.
The initial lesions can be found anywhere but often develop on the distal extremities, base of the tail, or head.
They begin as small, draining puncture wounds but eventually become nodular.
These nodules may ulcerate or suppurate.
Some ulcers may cavitate, exposing large areas of underlying muscle and bone.
Although S. schenckii can spread along the lymphatics in cats, these vessels may not be obviously involved.
Cats also spread the organisms to other parts of the body by grooming.
Weight loss, anorexia, fever, depression, and dyspnea can occur if the lesions are extensive.
In addition, the organisms can disseminate into the internal organs.
Generalized or disseminated disease can be fatal.
Treatment Various antifungal drugs including: 1) ketoconazole 2) itraconazole 3) amphotericin B have been used to treat sporotrichosis in animals.
For cutaneous or lymphocutaneous forms: 1) Potassium or 2) sodium iodide
can be used
Cats are particularly sensitive to iodine and must be watched carefully for signs of toxicity when using these two drugs.
Prevention In animals, there is no practical way to prevent infections acquired from the environment.
Infected animals, particularly cats, should be isolated to prevent the organism from spreading. Keeping cats indoors during feline epidemics can reduce the risk of infection; cat fights and other feline behaviors have been implicated in the spread of the disease.
Morbidity and Mortality Sporotrichosis less common in cats, and uncommon in dogs.
In cats, it occurs most often in sexually intact males allowed to roam; however, cases have also been reported in indoor cats exposed only to houseplants and potting soil.
Among dogs, this disease is seen most often in hunting dogs or other dogs frequently exposed to thorns and splinters.
Most cases of sporotrichosis in animals are sporadic; however, an epidemic affecting more than a thousand cats was reported in Rio de Janeiro, Brazil in 2002/2003.
Frequent cat fights and other feline behaviors are thought to have helped the organism spread in this epidemic.
There was no association with FIV or FeLVmediated immunosuppression.
The risk of dissemination and fatal disease varies with the species. Approximately half of all experimentally infected cats develop disseminated disease. Disseminated sporotrichosis is usually fatal without treatment.