Can someone previously treated with antivenom be treated with it again for a subsequent snakebite?

Updated: Apr 09, 2021
  • Author: Spencer Greene, MD, MS, FACEP, FACMT, FAAEM; Chief Editor: Joe Alcock, MD, MS  more...
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There is an unfounded fear of administering antivenom to patients who have previously received it. Most people who have been treated with FabAV more than once have no adverse reaction to the second and subsequent exposures. In one exceptional case, a man who received FabAV at least 19 times had two episodes of mild acute hypersensitivity but tolerated the antivenom the other 17 times without incident. [77]

Also see Complications in Presentation.

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