Table 1.

Signs and symptoms of scorpion envenomation

Grade	Description
I	Localized pain and/or paresthesias at the site of envenomation
II	Pain and/or paraesthesias remote from site of envenomation
III	Either cranial nerve or neuromuscular dysfunction
	Cranial nerve dysfunction: tongue fasiculations, hypersalivation, slurred speech or opsoclonus
	Neuromuscular dysfunction: involuntary shaking and jerking of the extremities
IV	Both cranial nerve and neuromuscular dysfunction

Adapted from grading system outlined in Curry et al. [8]