By the next morning (right image), the discoloration has taken on a familiar bulls-eye pattern. Could it be a spider bite? It sure could. It could also be one of a hundred other types of bug.
At the end of the day, this lesion develops a blister, another common feature in spider and bug bites. It will eventually burst and leave the reader with a scar she described as a "crater" when I communicated with her three years later.
Any opinions expressed here are for educational purposes only and are not intended for diagnosis.
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