Anyone with diabetes and an untreated infection in a very foot or leg may well acquire gangrene. Gangrene consists of tissues dying as a result of intense infection or reduced blood source. "Periorbital edema" is actually a phrase for swelling across the eyes. Often individuals check with this affliction as https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/