Necrotic Arachnidism Syndrome

This is the life cycle of a necrotic arachnidism syndrome (spider bite).

You’ll see it start from a small spider bite, to 1 hour with sever headache, impaired vision and weak to 18hours producing joint pains (erythema endurated edema) all the way to 6 months later with a cratered scar.

The spider bite cycle above is courtesy Oregon State Government.

Written by Jim on June 21st, 2006 with 68 comments.
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