![]() Therefore it is impossible to know which cats can spread CSD to you.įleas are responsible for transmitting B. ![]() ![]() Cats are the natural reservoir for the bacteria that causes CSD, and generally do not show any signs of illness. Kittens are more likely to be infected and therefore able to pass the bacteria to humans than adult cats. Most people get CSD from cat bites or scratches. Yes, it is possible to get CSD from your cat. How is CSD diagnosed?Ī diagnosis is made based on appropriate exposure history, symptoms, and a blood test that can detect antibodies to B. Recovery occurs spontaneously within 2 to 4 months. These complications are rare and include Parinaud’s oculoglandular syndrome, an eye infection that causes inflammation of the optic nerve and can lead to blindness, and bacillary angiomatosis, a systemic illness characterized by lesions on the skin, mucosal surfaces, liver, spleen and other organs.Īntibiotics may be used to speed recovery in cases of acute or severe illness but most people do not require treatment. People with a weakened immune system due to disease or medication are more likely to have complications from CSD. Symptoms usually begin 3 to 14 days after being bitten or scratched by an infected cat. skin pustule at site of the bite or scratch usually develops 1 to 2 weeks before lymph nodes begin to swell.swollen lymph nodes near the site of the bite or scratch.Most healthy people do not develop any symptoms, but those with a mild infection usually get better without any treatment. Generally people who get CSD are either bitten or scratched by a cat before they get sick. Download a print version of this document:Ĭat Scratch Disease Fact Sheet (PDF) What is Cat Scratch Disease?Ĭat Scratch Disease (CSD) is an uncommon infection caused by the bacteria Bartonella henselae.
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