From your description it seems that it is folliculitis or inflammation of the hair follicles starts when hair follicles are damaged by friction from clothing, blockage of the follicle, or shaving. Common symptoms include a rash
, itching, and pimples or pustules near a hair follicle in
the neck, groin, or genital area. Diagnosis is primarily based on how the skin looks and laboratory tests may show which bacteria or fungus is causing the infection.