Phosphorus is a chemical element that is found naturally in air, rocks, soil and organic materials. It is essential for life, and one of the main chemicals necessary for plant growth. As a result, the biggest use of phosphorus is in artificial fertilizers.
When gangrene affects your skin, signs and symptoms may include: 1  Skin discoloration â ranging from pale to blue, purple, black, bronze or red, depending on the type of gangrene you have. 2  A clear line between healthy and damaged skin. 3  Severe pain followed by a feeling of numbness.
If infection from gangrene gets into the blood, you may develop sepsis and go into septic shock. This can be life-threatening if not treated immediately. Symptoms of sepsis may include: 1  Low blood pressure. 2  Rapid heartbeat. 3  Shortness of breath. 4  Change in body temperature. 5  Light-headedness. 6  Body pain and rash. 7  Confusion.