<P> Naturally the cause is bacteria such as staphylococci that are present on the skin . Bacterial colonisation begins in the hair follicles and can cause local cellulitis and inflammation . Myiasis caused by the tumbu fly in Africa usually presents with cutaneous furuncles . Risk factors for furunculosis include bacterial carriage in the nostrils , diabetes mellitus , obesity , lymphoproliferative neoplasms , malnutrition , and use of immunosuppressive drugs. . </P>
where do boils on the body come from
bacteria such as staphylococci that are present on the skin