THE MERCK MANUAL: The Merck Manual of Diagnosis and Therapymultimedia

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  • Overview of Rickettsial Infections
  • Rocky Mountain Spotted Fever

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    Rocky Mountain Spotted Fever

    Rocky Mountain spotted fever initially manifests as a macular rash on the wrists, ankles, palms, and soles. The lesions darken and become maculopapular and then petechial.

    Image courtesy of the Public Health Image Library of the Centers for Disease Control and Prevention.