Genital warts or condyloma, venereal warts, anal warts and anogenital warts is a highly contagious sexually transmitted disease caused by various sub-types of human papillomavirus (HPV). It is spread through direct skin-to-skin contact during oral, genital, or anal sex with an infected partner. Genital warts often occur in clusters and can be very tiny or can spread into large masses in the genital or penis area. In other cases they look like small stalks. In women they occur on the outside and inside of the vagina, on the cervix, around or inside the anus. In men, they usually are seen on the tip of the penis. They also may be found on the shaft of the penis, on the scrotum, around or inside the anus. Rarely, genital warts also can develop in the mouth or throat of a person who has had oral sex with an infected person.