Final answer:
Early signs of necrotizing fasciitis include gas pockets, skin discoloration, and foul-smelling pus.
Explanation:
An early sign or symptom of necrotizing fasciitis can include the presence of small gas pockets underneath the outermost layer of skin, skin becoming gray, and putrid smell of draining pus. These symptoms, along with rapid progression of infection, can prompt immediate medical intervention to address the condition.
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