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Cutaneous anthrax infection

Photograph contributed by Robert Aylesworth, M.D.

Cutaneous anthrax usually begins as a small, raised bump that might itch. Within 1 to 2 days, the bump develops into a painless, fluid-filled blister about 1cm to 3cm in diameter. Within 7 to 10 days, the blister has a black center of dying tissue-called an eschar-surrounded by redness and swelling.

Primary Medical Reviewer Renée M. Crichlow, MD
- Family Medicine
Specialist Medical Reviewer W. David Colby IV, MSc, MD, FRCPC
- Infectious Disease
Last Updated July 31, 2006

WebMD Medical Reference from Healthwise

Last Updated: July 31, 2006
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