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Causes

By Mayo Clinic staff

Severe spider bite symptoms occur as a result of injected spider venom. The severity of symptoms depends on the type of spider, the amount of venom injected and how sensitive your body is to the venom.

Risk factors Symptoms
References
  1. Vetter RS, et al. Approach to the patient with a suspected spider bite: An overview. http://www.uptodate.com/home. Accessed March 12, 2013.
  2. Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh, U.K.; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-7234-3541-9..X0001-6--TOP&isbn=978-0-7234-3541-9&uniqId=230100505-57. Accessed March 12, 2013.
  3. Spider bites. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/injuries_poisoning/bites_and_stings/spider_bites.html?qt=spider bites&alt=sh. Accessed March 14, 2013.
  4. Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed March 12, 2013.
  5. Venomous spiders. National Institute for Occupational Safety and Health. http://www.cdc.gov/niosh/topics/spiders. Accessed March 12, 2013.
  6. Vetter RS, et al. Bites of widow spiders. http://www.uptodate.com/home. Accessed March 12, 2013.
  7. Vetter RS, et al. Bites of recluse spiders. http://www.uptodate.com/home. Accessed March 12, 2013.
  8. Brown recluse spider. Occupational Safety and Health Administration. http://www.osha.gov/OshDoc/data_Hurricane_Facts/brown_recluse_spider.pdf. Accessed March 15, 2013.
  9. Auerbach PS, et al. Wilderness Medicine. 6th ed. Philadelphia, Pa.: Mosby Elsevier; 2012. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-1-4377-1678-8..00052-0&isbn=978-1-4377-1678-8&sid=1418655681&uniqId=405544036-3#4-u1.0-B978-1-4377-1678-8..00052-0. Accessed March 15, 2013.
DS01191 May 21, 2013

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