Hai, Are you a diabetic? Get checked. If so, control the same. If you have itching around your genitals or in your pubic area, due scratch and secondary infection you may likely to have a boil in this area. Change in climate and excessive sweating also leads to secondary skin infection and produce boils. Drink sufficient quantity of water, you can use an antiseptic bathing soap, control if diabetes is present. If not spontaneously opened ,the pus has to be let out. and consult your doctor for appropriate antibiotics. Dr sm