What are the somatic signs of a scorpion envenomation?

Updated: Nov 09, 2018
  • Author: David Cheng, MD; Chief Editor: Joe Alcock, MD, MS  more...
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Somatic signs are as follows:

  • Rigid spastic muscle of the limbs and torso

  • Involuntary muscle spasm, twitching, clonus, and contractures

  • Alternating opisthotonos and opisthotonus from inactivation of sodium channels, leading to increased sodium and calcium uptake

  • Increased tendon reflexes, especially prolongation of the relaxation phase

  • Piloerection accompanied by goose pimples

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