Gangrene is a serious medical condition in which body tissue dies because of inadequate blood supply or a severe infection. It commonly affects the feet, toes, fingers, and other areas where circulation is compromised. Early medical evaluation is important because some forms of gangrene can progress rapidly.

Common symptoms may include black, blue, or purple skin discoloration, swelling, severe pain, numbness, foul-smelling wounds, pus, and fever. People with diabetes, poor circulation, or non-healing wounds may have a higher risk of developing serious complications.

Gangrene treatment depends on the type and severity of the condition. Medical management may include antibiotics when infection is present, wound care, and supportive treatment. Procedures such as debridement may be used to remove dead tissue. When poor blood circulation contributes to tissue damage, doctors may evaluate options for improving blood flow.

In advanced cases, surgery may be necessary. Amputation may be considered when extensive tissue damage cannot be safely treated or when it is necessary to control a serious infection.

People with diabetes should regularly check their feet for cuts, swelling, discoloration, blisters, and wounds that are not healing. Prompt medical attention for suspicious wounds can help identify complications early.

Anyone experiencing signs that may indicate gangrene should seek professional medical evaluation rather than attempting to treat the condition with home remedies.