Blue toe syndrome: Causes, treatment, outlook, and prevention

Blue toe syndrome is when one or more of a person's toes starts to look blue or purple in color. It happens when blood vessels leading to the affected area become blocked.
Blue toe syndrome is when one or more of a person's toes starts to look blue or purple in color. It happens when blood vessels leading to the affected area become blocked.

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Blue toe syndrome: Causes, treatment, outlook, and prevention