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Cat-scratch disease (CSD) is an infectious disease that most often results from a scratch or bite of a cat. [4] Symptoms typically include a non-painful bump or blister at the site of injury and painful and swollen lymph nodes. [2] People may feel tired, have a headache, or a fever. [2] Symptoms typically begin within 3–14 days following ...
In very rare cases, it’s possible for a cat scratch to pass along something more serious than CSD, like rabies, a viral disease that is almost always fatal once symptoms appear. However, it’s ...
After a cat bite, the skin usually closes rapidly over the bite and may trap microorganisms. [14] [8] The bite from a cat can infect a person with: Cat-scratch disease, caused by the bacterium Bartonella henselae [8] [15] Cat-scratch disease is a bacterial disease that people may get after being bitten or scratched by a cat.
Bartonella henselae, formerly Rochalimæa henselae, is a bacterium that is the causative agent of cat-scratch disease [1] (bartonellosis). Bartonella henselae is a member of the genus Bartonella, one of the most common types of bacteria in the world. [specify] It is a facultative intracellular microbe that targets red blood cells.
Transmission to humans is thought to occur via flea feces inoculated into a cat scratch or bite, and transmission between cats occurs only in the presence of fleas. Therefore, elimination and control of fleas in the cat's environment are key to prevention of infection in both cats and humans. [citation needed]
Infectious causes of lymphadenopathy may include bacterial infections such as cat scratch disease, tularemia, brucellosis, or prevotella, as well as fungal infections such as paracoccidioidomycosis. [14] [15] Tumoral: Primary: Hodgkin lymphoma [16] and non-Hodgkin lymphoma give lymphadenopathy in all or a few lymph nodes. [9]