Get more resources on masking and COVID-19 precautions. Folliculitis, boils, and carbuncles are types of infections of one or more hair follicles. A hair follicle is the base or root of a hair. The ...
Genital herpes causes painful sores on your genitals (sex organs). It is one of the most common sexually transmitted infections (STIs) in the U.S. It's caused by the herpes simplex virus (HSV).