The cause for repeated skin boils
look to be due to your uncontrolled diabetes
You must control your diabetes meticulously as ncntrolled diabetes will not only lead to repeated bouts of skin infections but also other infections and different complications.
You must also control ypur weight.
Consult your doctor for the proper management and treatment of your diabetes.
Take the help of a dietician for reduction of weight.
Must do regular walk and exercises.