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.
According to the Centers for Disease Control and Prevention (CDC), 90 percent of genital warts
infection by the human papilloma virus (HPV) (CDC). HPV is a sexually transmitted infection
Transmission of HPV can occur even if warts are not visible. It is spread by direct contact with the anus, mouth, penis, or vagina of an infected person. Intercourse is not necessary to spread the infection. It can be transmitted by skin-to-skin contact.
Genital warts can be spread easily. The National Institute of Allergy and Infectious Diseases (NIAID) warns that as many as two thirds of those who have had intimate contact with an infected sexual partner will develop warts within three months of the initial contact (NIAID).
In many cases, anal warts may remain unnoticed. They often occur without pain or discomfort. Anal
and around the area of the anus.
Anal warts start as small bumps that may be no larger than the head of a pin. Initially, they may be too small to be noticed. As they grow, they can develop a cauliflower-appearance when several are clustered together. They may be flesh-colored, yellow, pink, or light brown.
Since the virus that causes anal warts also causes genital warts, warts may occur on other parts of the body at the same time. In women, they may appear on the vulva, vagina, or cervix. In men, genital warts can develop on the penis, scrotum, thighs, or groin. They may also grow on the mouth or throat of an infected person.
Though rare, other symptoms of anal warts can include itching, bleeding, or discharge from the anus. An infected person also may have the sensation of having a lump in the anal area.
A physician can diagnose anal warts by visual examination. During the examination, some
(vinegar) to the bumps. This causes the bumps to turn white and become more visible. However, it
is not a
to detect the virus.
An examination for anal warts involves an internal examination with an anoscope to look for warts inside the anal canal. A full examination of the pelvic region to look for other forms of genital warts also is recommended. For women, this may include a Pap smear.
Diagnosis also can be made with a biopsy of the warts. This may be used to confirm a diagnosis when warts don’t respond to initial therapy.
Left untreated, anal warts may lead to an increased risk of cancer. The choice of treatment
depends on the
location of warts, patient preference, and provider experience.
For warts that are very small and limited to the outer area of the anus, treatment with a topical medication may be adequate. However, a prescription medication intended for anal warts must be used. Over-the-counter wart removers are not intended for use in the anal or genital area.
If warts are extensive, treatment may be administered in stages. Recurrent warts are common. The virus can remain dormant in concealed tissues, only to appear months later with the growth of a new wart. Follow-up visits and treatments may be necessary for several months to ensure that no new warts exist.
Anal warts can recur even after seemingly successful treatment. Since individuals may not know
warts, patients should encourage partners to be tested for HPV even if they don’t have symptoms.
the risk of reinfection.
The possibility of infection can be reduced by abstaining from sexual contact, using condoms, or limiting sexual contact to one partner. After treatment for anal warts, reevaluation for recurrent warts may be recommended at regular intervals.
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