My mother is having diabetes from last 10-12 yrs,she isgiven insulin everyday.she is also having BP tablet's and aspirin tablet's.Her age is 75 running,i check sugar and other blood test regularly.But last few months she is having skin irritation and skin getting red and also itching issue.i have shown to doctor in my town regularly but problem is not solved.Dr had asked me to check creatinine and urea also. Actually i want proper guidelines and reliph to my mom.