Facts About HPV

HPV refers to a group of more than 200 related viruses. Some of these viruses are transmitted through vaginal, anal, or oral sex or through other sexual skin-to-skin contact. Unless they are vaccinated against HPV, nearly all people who are sexually active become infected with HPV, making HPV infection extremely common.

Usually, an HPV infection resolves without causing any health problems. Most people who are infected with HPV don’t know they are infected and never have any health issues resulting from the infection.

Sexually transmitted HPV falls into two types: low risk and high risk. Low-risk HPV usually doesn’t cause any health problems. Some low-risk types of HPV, however, can cause warts around the genitals or anus. Although not common, warts can also grow on the lips, mouth, tongue, or throat as a result of oral sex. Genital warts generally look like a small bump or group of flesh-colored bumps that may be lumpy, flat, or invisible. They may cause discomfort. An HPV infection cannot be cured, but the warts can be removed by a healthcare professional. If the warts are not removed, they may grow, multiply, or go away on their own. The warts will not become cancerous.

About half of all sexually transmitted HPV are high-risk types. If the immune system is unable to control infection with high-risk HPV, the infection may persist over time and develop into an HPV-related cancer.

High-risk types of HPV cause almost all cases of cervical cancer in women. It can take 20 years or even longer after an HPV infection for cervical cancer to develop. For this reason, finding and treating precancerous conditions in the cervix can help prevent cervical cancer. Regular Pap tests and testing for HPV are important tools in cervical cancer prevention. Women should discuss cervical cancer screening and the best screening schedule for them with their healthcare professionals.

In addition to cervical cancer, HPV can also cause other types of cancer. High-risk types of HPV are responsible for the majority of cases of anal cancer as well as penile cancer in men and vaginal and vulvar cancer in women. Infection with high-risk types of HPV also can cause oropharyngeal cancer (cancers that occur in the back of the throat, including the tonsils and base of the tongue).

The HPV vaccine provides protection against the low-risk types of HPV that cause most cases of genital warts and most high-risk types of HPV that can cause HPV-related cancers. In the UK, the vaccine is routinely offered for girls and boys ages 12 and 13. Vaccination is most effective before young people are exposed to HPV through sexual contact. Men who have sex with men who are age 45 or younger also may receive the HPV vaccine and should talk to a healthcare professional for more information.

Women are invited to start screening for cervical cancer beginning at age 25. They should discuss the best screening schedule for them with their GP or other healthcare professional, including Pap tests and testing for HPV. Women who have received the HPV vaccine should still be screened for cervical cancer.

People who are sexually active can reduce their risk for sexually transmitted HPV infection by being in a mutually monogamous relationship. No matter what age an individual is, every new sex partner increases the risk for a new HPV infection. Using latex condoms every time you have sex also can reduce the risk of HPV infection, but condom use does not completely eliminate the risk because HPV can affect areas not covered by a condom.

Health Edco has many more educational resources that cover cervical conditions, HPV, and other sexually transmitted infections. To discover our wide variety of innovative teaching materials and models, please visit our product sections dedicated to women’s health and relationships and sex education.

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