Human papillomavirus (HPV)

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Human papillomavirus (HPV)

The human papillomavirus (HPV) causes warts, including genital warts, and may cause cervical cancer and changes in the cervix that can lead to cancer. HPV is spread by direct contact.

There are more than 100 known types of HPV.

Some HPV types cause genital warts. In women, certain high-risk types of HPV increase the risk of cervical cancer. Women may have an HPV infection and not have any symptoms. Sometimes the only sign that a woman is infected with HPV is an abnormal Pap test result.
Other types of HPV cause common, plantar, filiform or flat warts, and some genital warts. These types of warts are not cancerous.

There is no known cure for HPV. Most warts and HPV infections go away without treatment within 2 years; however, medications and treatments are available to help warts disappear more quickly. HPV remains in the body with or without treatment, so warts or HPV infections of the cervix may come back.

There is a vaccine available to females 9 to 26 years old to help prevent HPV infection. The vaccine protects against four types of HPV, which together cause most cases of cervical cancer and genital warts.

Credits

Author	Jeannette Curtis
Author	Caroline Rea, RN, BS, MS
Editor	Kathleen M. Ariss, MS
Editor	Susan Van Houten, RN, BSN, MBA
Associate Editor	Tracy Landauer
Associate Editor	Pat Truman
Primary Medical Reviewer	Patrice Burgess, MD - Family Medicine
Primary Medical Reviewer	Adam Husney, MD - Family Medicine
Primary Medical Reviewer	Kathleen Romito, MD - Family Medicine
Last Updated	May 25, 2007

Last updated:	May 25, 2007
Author:	Caroline Rea, RN, BS, MS
Reviewed By:	Kathleen Romito, MD - Family Medicine
Editors:	Susan Van Houten, RN, BSN, MBA, Pat Truman

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