Gangrene of the toe occurs when there is a severe lack of blood flow to the toe, leading to tissue death. This condition can be caused by a variety of factors, such as infections, trauma, or underlying health issues like diabetes or peripheral artery disease, which affect circulation. The toe may initially turn a dark color, become cold to the touch, and develop swelling and redness. If left untreated, the tissue can continue to deteriorate, and in severe cases, amputation may be required to prevent the infection from spreading to other parts of the body.
