Which history is characteristic of cat scratch disease (CSD)?

Updated: Feb 16, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Most patients with CSD report a history of exposure to cats, and especially kittens. When questioned, patients may recall being scratched, licked, or bitten by a cat in the previous 2-8 weeks. Transmission can occur by petting alone with subsequent self-inoculation via a mucous membrane, skin break, or conjunctiva. However, infection with B henselae can be transmitted by arthropod vectors, and a history of an animal scratch or bite is not necessary for disease transmission. [38]


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