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What Does a Brown Recluse Spider Bite Look Like?


Immediately after being bitten, it is nearly impossible to distinguish a brown recluse spider bite from any other.  In some cases if you use a magnifying glass you may see two tiny fang puncture marks.


Photo Brown Recluse Spider Bite Day 3.

Photo Brown Recluse Spider Bite at 4 months.

What Is the Body’s Reaction to a Brown Recluse Spider Bite?

The body’s reaction to a brown recluse spider bite will depend on the victim’s sensitivity to the spider and the amount of venom injected at the time of the bite. The spider introduces a venomous cytotoxin into the body through two tiny fangs.   The cytotoxin causes necrosis, or tissue death.  It may appear red and become slightly swollen and itchy similar to any insect bite.  As it affects the tissue it will likely harden, scab and heal over the next few weeks.

Because the venom affects people at different levels of severity, if bitten you should contact a medical professional immediately.

Symptoms of a Brown Recluse Spider Bite

Many times a brown recluse spider bite goes unnoticed until two to eight hours after the attack. It may feel like a sting similar to a bee.  Hours later as the venom spreads the victim may begin to experience severe pain.

How Long Do Spider Bite Symptoms Last?

The symptoms of a brown recluse spider bite last an average of twenty-four to forty-eight hours.  During this time, the victim may experience fever, nausea, vomiting, intense abdominal pain, and muscle soreness.  The localized area of the wound will likely blister, hardening over time.  The dead skin cells will ultimately slough off and will often result in a scar.



“Brown Recluse Spider Bites.” N.p., n.d. Web. 12 Oct. 2010. <

“Spiders.” Entomology at Texas A&M University – Home. N.p., n.d. Web. 12 Oct. 2010.

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