What Are The True Beginnings Of Gangrene In Legs And

what are the true beginnings of gangrene in legs and feet? red streaks being in arch of feet. re occurring blisters on legs. one swells one doesn't. stroke victim doesn't walk. has custom stockings but do not use when blisters are present. he had mersa in leg 5 yrs ago. 74 yr male. using cream on legs and now wrapped. put on antibiotic last thurs with no relief.