When the spider bites you, you may feel a sharp sting or nothing at all. Pain usually develops within the first several hours after being bitten, and may become severe. Children may have more serious reactions.
Symptoms may include:
- General ill-feeling or discomfort
- Reddish or purplish color in a circle around bite
- Ulcer in the area of the bite
In rare cases:
- Blood in urine
- Kidney failure
Review Date: 10/05/2009
Reviewed By: Clark RF, Schneir AB. Arthropod bites and stings. In: Tintinalli JE, Kelen GD, Stapczynski JS, Ma OJ, Cline DM, eds. Emergency Medicine: A Comprehensive Study Guide. 6th ed. New York, NY: McGraw-Hill; 2004:chap 194.