What is the initial symptom 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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More than 90% of patients with CSD develop one or more 3- to 5-mm red-brown nontender papules at the site of inoculation 3-10 days after the bacteria are introduced. These primary lesions last for 1-3 weeks then recede as lymphadenopathy appears.

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