▁no ▁abs cess ▁or ▁b one ▁involved ▁yet . ▁▁ 3 . ▁You ▁have ▁a ▁deep ▁ul cer ▁with ▁infl amm ation ▁of ▁sub cut aneous ▁connect ive ▁t issue ▁or ▁an ▁abs cess . ▁This ▁can ▁include ▁in fe ctions ▁in ▁the ▁mus cle , ▁tend on , ▁joint , ▁and / or ▁b one . ▁▁ 4 . ▁The ▁t issue ▁around ▁the ▁area ▁of ▁your ▁ul cer ▁( limited ▁to ▁the ▁to es ▁and ▁fore foot ) ▁has ▁begun ▁to ▁decay . ▁This ▁is ▁condition ▁is ▁called ▁gang rene . ▁▁ 5 . ▁Gang rene ▁has ▁spread ▁from ▁the ▁local ized ▁area ▁of ▁the ▁ul cer ▁to ▁become ▁extensive . ▁This ▁involves ▁the ▁whole ▁foot . ▁ ▁Pre vention ▁Ste ps ▁to ▁prevent ▁di ab etic ▁foot ▁ul cers ▁include ▁frequent ▁review ▁by ▁a ▁foot ▁special ist ▁and ▁mult id is cipl inary ▁team , ▁good ▁foot ▁h yg iene , ▁di ab etic ▁so cks ▁and ▁sho es , ▁as ▁well ▁as ▁avoid ing ▁injury . ▁▁ ▁Foot - care ▁education ▁combined ▁with ▁increased ▁surve ill ance ▁can ▁reduce ▁the ▁inc idence ▁of ▁serious ▁foot ▁les ions . ▁ ▁Foot we ar ▁The ▁evidence ▁for ▁special ▁foot we ar ▁to ▁prevent ▁foot ▁ul cers ▁is ▁poor . ▁ ▁C lin ical ▁Ev idence ▁review ed ▁the ▁topic ▁and ▁concluded ▁" Ind ividual s ▁with ▁significant ▁foot ▁de form ities ▁should ▁be ▁considered ▁for ▁refer ral ▁and ▁assess ment ▁for ▁custom ised ▁sho es ▁that ▁can ▁accommod ate ▁the ▁alter