The brown recluse spider may have a violin mark on its back. It is often found in the south and midwest, preferring dark, well covered areas. It can cause a severe local reaction. In extreme cases, severe generalized illnesses such as kidney failure have occurred.
Initial symptoms may include:
None
Mild stinging
Occasional severe pain
Later (hours to days):
Area forms enlarging deep ulcer
Fever in some individuals
Rash in some individuals
Examination:
- Necrotic ulcer (means tissue in skin and below is significantly injured)
If mild (determined by a physician), no treatment is necessary.
Expanding/necrotic lesions
Prednisone
Surgical debridement
Antivenom and dapsone may help, although they are currently considered purely experimental.
See your primary care physician or a dermatologist as soon as possible.
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