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Question
Posted by: snitch | 2007/06/19

Formation of gangrene

Please inform me on how gangrene is formed or how it starts. Also what to look out for and its symptoms.

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Our expert says:
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Dear snitch
Gangrene is caused by tissue dying due to blood flow being cut off - can be due to something like diabetes, or an injury or a tight bandage or Paster of paris, or excessive cold. The early signs of dry gangrene are a dull ache and sensation of coldness in the area, along with pale colour of the flesh - later on the skin becomes black and can get infected, causing wet gangrene with a yellow pussy centre, black edges and infection (red) on the surrounding skin .

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