A cluster of boils is called Carbuncles. Boils are simply bacterial infections of the hair follicles which form red, painful swelling on the surface of the skin. These clusters of boils, contain pus, which is a white, translucent fluid which is discharged through the heads of the boils. They are caused by the Staphylococcus aureus bacteria which reside in the nasal passages and the skin surface. Many a times, carbuncles are a sign of kidney or liver disease.
HOW IS CARBUNCLES DIAGNOSED?
If a diabetic person encounters a boil, that is a sign that he/she will be prone to more serious infections.