- Laboratory studies can be helpful in management and predicting outcome.
- Antibiotics are recommended.
- The venom is cytotoxic and can cause red blood cell hemolysis.
- The venom is more potent on a volume-per-volume basis than the venom of a pit viper.
This post was expert peer-reviewed by Drs. Bryan Judge, Louise Kao, and Andrew Monte.
References
1.
Hahn I. Arthropods. In: Goldfrank’s Toxicologic Emergencies. 10th ed. New York, NY: McGraw-Hill; 2015:1000-1002.
2.
Monte A, Bucher-Bartelson B, Heard K. A US perspective of symptomatic Latrodectus spp. envenomation and treatment: a National Poison Data System review. Ann Pharmacother. 2011;45(12):1491-1498. [PubMed]
3.
Clark R, Wethern-Kestner S, Vance M, Gerkin R. Clinical presentation and treatment of black widow spider envenomation: a review of 163 cases. Ann Emerg Med. 1992;21(7):782-787. [PubMed]
4.
Nordt S, Clark R, Lee A, Berk K, Lee C. Examination of adverse events following black widow antivenom use in California. Clin Toxicol (Phila). 2012;50(1):70-73. [PubMed]
5.
Monte A. Black widow spider (Latrodectus mactans) antivenom in clinical practice. Curr Pharm Biotechnol. 2012;13(10):1935-1939. [PubMed]
6.
Dart R, Bogdan G, Heard K, et al. A randomized, double-blind, placebo-controlled trial of a highly purified equine F(ab)2 antibody black widow spider antivenom. Ann Emerg Med. 2013;61(4):458-467. [PubMed]
Author information
The post ACMT Toxicology Visual Pearls: Spider Bite appeared first on ALiEM.