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This topic provides information about the
human papillomavirus (HPV), which causes
genital warts and can also cause cervical cancer. If
you are looking for information about cervical cell changes or
cervical cancer, see:
What is human papillomavirus (HPV)?
papillomavirus (HPV) is one of the most common
sexually transmitted infections (STIs). It is a virus
that can be spread through skin-to-skin genital contact. There are many different types
of HPV. Some types cause genital warts and are called low-risk. And some types
can lead to cervical, anal, or oral cancer and are called high-risk. There is no known cure
for HPV, but there is a vaccine that can protect against some types of the
What are genital warts?
Genital warts are skin
growths in the groin, genital, or anal areas. They can be different sizes and
shapes. Some look like flat white patches, and others are bumpy, like tiny
bunches of cauliflower. Sometimes you can't see the warts at all.
What causes HPV and genital warts?
HPV is a virus.
Certain types of the virus cause genital warts and some types cause abnormal
cervical cell changes and cervical cancer.
HPV and genital warts
can be spread through sex or skin-to-skin genital contact with someone who has the virus.
What are the symptoms?
Most people infected with
HPV don't have symptoms. But if they do, the symptoms may be so mild that they
may not know they are infected. The symptoms may include pain, itching, and
bleeding, or you may develop visible genital warts.
If you have
symptoms, they will probably occur 2 to 3 months after infection. But you can
have symptoms from 3 weeks to many years after infection.
genital warts appear only during active infection. But it is possible to spread
the virus even if you can't see the warts.
How are HPV and genital warts diagnosed?
can often tell if you have genital warts by looking closely at your genital and
anal areas. He or she may ask you questions about your symptoms and your risk
factors. Risk factors are things that make you more likely to get an infection.
Sometimes the doctor takes a sample of tissue from the wart for
For women, if you have an abnormal Pap test, your doctor
can do an HPV test that looks for high-risk types of the virus.
How are they treated?
There is no cure for HPV,
but the symptoms can be treated.
Talk to your doctor about whether
you should treat visible genital warts. They usually go away with no treatment,
but they may also spread. Most people decide to treat them because of the
symptoms or because of how the warts look. But if you don't have symptoms and
are not worried about how the warts look, you can wait and see if the warts go
If you do decide to treat genital warts, talk to your
doctor about the best treatment for you. There are prescription medicines that you
or your doctor can put on the warts. Or your doctor can remove them with
lasers, surgery, or by freezing them off.
Even if you treat
visible warts or your warts go away without treatment, the HPV infection can
stay in your body's cells. It is possible to spread genital warts to your
partner even if you have no signs of them.
Can HPV and genital warts be prevented?
The best way to
keep from getting genital warts—or any other STI—is to not have sex or any skin-to-skin genital contact. If you do
have sex, practice safer sex.
- Use condoms. Condoms may help reduce the risk
of spreading genital warts, but they do not protect the entire genital area
against skin-to-skin contact.
- Before you have sex with someone,
talk to them about STIs. Find out whether he or she is at risk for them.
Remember that a person can be infected without knowing it.
- If you
have symptoms of an STI, don't have sex.
- Do not have sex with
anyone who has symptoms or who may have been exposed to an STI.
- Having several sex partners
increases your risk for infection.
If you are age 26 or younger, you can get the HPV shot. The vaccines Cervarix (What is a PDF document?) and Gardasil (What is a PDF document?) protect against two types of HPV that cause cervical cancer. Gardasil also protects against two types of HPV that cause genital warts.
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