Genital warts are one of the most common types of sexually transmitted infections. Nearly all sexually active people will become infected with at least one type of human papillomavirus HPV , the virus that causes genital warts, at some point during their lives. Genital warts affect the moist tissues of the genital area. They can look like small, flesh-colored bumps or have a cauliflower-like appearance. In many cases, the warts are too small to be visible.
Anal warts are small warts that can occur inside and around the anus. The condition is also called condyloma acuminata. Anal warts are a form of genital warts. However, they can become irritating if they grow large enough, and might itch or bleed. If no symptoms occur, people with anal warts may not even know they have them.
HPV types 16, 18, 31, 33, and 35 are also occasionally found in anogenital warts usually as co-infections with HPV 6 or 11 and can be associated with foci of high-grade squamous intraepithelial lesions HSIL , particularly in persons who have HIV infection. In addition to anogenital warts, HPV types 6 and 11 have been associated with conjunctival, nasal, oral, and laryngeal warts. Anogenital warts are usually asymptomatic, but depending on the size and anatomic location, they can be painful or pruritic. They are usually flat, papular, or pedunculated growths on the genital mucosa. Anogenital warts occur commonly at certain anatomic sites, including around the vaginal introitus, under the foreskin of the uncircumcised penis, and on the shaft of the circumcised penis.
Genital warts are soft growths that appear on the genitals. They can cause pain, discomfort, and itching. Genital warts a sexually transmitted infection STI caused by certain low-risk strains of the human papillomavirus HPV. These are different from the high-risk strains that can lead to cervical dysplasia and cancer.