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What is genital herpes?
Genital herpes is a sexually transmitted disease (STD) caused by the herpes
simplex viruses type 1 (HSV-1) or type 2 (HSV-2). Most genital herpes is caused
by HSV-2. Most individuals have no or only minimal signs or symptoms from HSV-1
or HSV-2 infection. When signs do occur, they typically appear as one or more
blisters on or around the genitals or rectum.
The blisters break, leaving tender ulcers (sores) that may take two to four
weeks to heal the first time they occur. Typically, another outbreak can appear
weeks or months after the first, but it almost always is less severe and shorter
than the first outbreak. Although the infection can stay in the body indefinitely,
the number of outbreaks tends to decrease over a period of years.
How common is genital herpes?
Results of a nationally representative study show that genital herpes infection
is common in the United States. Nationwide, 16.2%, or about one out of six,
people 14 to 49 years of age have genital HSV-2 infection. Over the past decade,
the percentage of Americans with genital herpes infection in the U.S. has remained
stable.
Genital HSV-2 infection is more common in women (approximately one out of
five women 14 to 49 years of age) than in men (about one out of nine men 14
to 49 years of age). Transmission from an infected male to his female partner
is more likely than from an infected female to her male partner.
How do people get genital herpes?
HSV-1 and HSV-2 can be found in and released from the sores that the viruses
cause, but they also are released between outbreaks from skin that does not
appear to have a sore. Generally, a person can only get HSV-2 infection during
sexual contact with someone who has a genital HSV-2 infection. Transmission
can occur from an infected partner who does not have a visible sore and may
not know that he or she is infected.
HSV-1 can cause genital herpes, but it more commonly causes infections of the mouth and lips, so-called “fever blisters.” HSV-1 infection of the genitals can be caused by oral-genital or genital-genital contact with a person who has HSV-1 infection. Genital HSV-1 outbreaks recur less regularly than genital HSV-2 outbreaks.
What are the signs and symptoms of genital herpes?
Most people infected with HSV-2 are not aware of their infection. However, if
signs and symptoms occur during the first outbreak, they can be quite pronounced.
The first outbreak usually occurs within two weeks after the virus is transmitted,
and the sores typically heal within two to four weeks. Other signs and symptoms
during the primary episode may include a second crop of sores, and flu-like
symptoms, including fever and swollen glands. However, most individuals with
HSV-2 infection never have sores, or they have very mild signs that they do
not even notice or that they mistake for insect bites or another skin condition.
People diagnosed with a first episode of genital herpes can expect to have several (typically four or five) outbreaks (symptomatic recurrences) within a year. Over time these recurrences usually decrease in frequency. It is possible that a person becomes aware of the “first episode” years after the infection is acquired.
What are the complications of genital herpes?
Genital herpes can cause recurrent painful genital sores in many adults, and
herpes infection can be severe in people with suppressed immune systems. Regardless
of severity of symptoms, genital herpes frequently causes psychological distress
in people who know they are infected.
In addition, genital HSV can lead to potentially fatal infections in babies. It is important that women avoid contracting herpes during pregnancy because a newly acquired infection during late pregnancy poses a greater risk of transmission to the baby. If a woman has active genital herpes at delivery, a cesarean delivery is usually performed. Fortunately, infection of a baby from a woman with herpes infection is rare.
Herpes may play a role in the spread of HIV, the virus that causes AIDS. Herpes can make people more susceptible to HIV infection, and it can make HIV-infected individuals more infectious.
How is genital herpes diagnosed?
The signs and symptoms associated with HSV-2 can vary greatly. Health care providers
can diagnose genital herpes by visual inspection if the outbreak is typical,
and by taking a sample from the sore(s) and testing it in a laboratory. HSV
infections can be diagnosed between outbreaks by the use of a blood test. Blood
tests, which detect antibodies to HSV-1 or HSV-2 infection, can be helpful,
although the results are not always clear-cut.
Is there a treatment for herpes?
There is no treatment that can cure herpes, but antiviral medications can shorten
and prevent outbreaks during the period of time the person takes the medication.
In addition, daily suppressive therapy for symptomatic herpes can reduce transmission
to partners.
How can herpes be prevented?
The surest way to avoid transmission of sexually transmitted diseases, including
genital herpes, is to abstain from sexual contact, or to be in a long-term mutually
monogamous relationship with a partner who has been tested and is known to be
uninfected.
Genital ulcer diseases can occur in both male and female genital areas that are covered or protected by a latex condom, as well as in areas that are not covered. Correct and consistent use of latex condoms can reduce the risk of genital herpes.
Persons with herpes should abstain from sexual activity with uninfected partners when lesions or other symptoms of herpes are present. It is important to know that even if a person does not have any symptoms he or she can still infect sex partners. Sex partners of infected persons should be advised that they may become infected and they should use condoms to reduce the risk. Sex partners can seek testing to determine if they are infected with HSV. A positive HSV-2 blood test most likely indicates a genital herpes infection.
Where can I get more information?
Division of STD Prevention (DSTDP)
Centers for Disease Control and Prevention
Personal health inquiries and information about STDs:
CDC-INFO Contact Center
1-800-CDC-INFO (1-800-232-4636)
Email: cdcinfo@cdc.gov
National Herpes Hotline
(919) 361-8488
What is HPV?
How do people get HPV?
HPV is passed on through genital contact, most often during vaginal and anal
sex. HPV may also be passed on during oral sex and genital-to-genital contact.
HPV can be passed on between straight and same-sex partners—even when
the infected partner has no signs or symptoms.
A person can have HPV even if years have passed since he or she had sexual contact
with an infected person. Most infected persons do not realize they are infected
or that they are passing the virus on to a sex partner. It is also possible
to get more than one type of HPV.
Very rarely, a pregnant woman with genital HPV can pass HPV to her baby during
delivery. In these cases, the child can develop Juvenile-Onset Recurrent Respiratory
Papillomatosis (JORRP).
What are the signs, symptoms and potential health consequences of HPV?
Most people with HPV do not develop symptoms or health problems from it. In
90% of cases, the body’s immune system clears HPV naturally within two
years. But there is no way to know which people who get HPV will go on to develop
cancer or other health problems.
• Sometimes, certain types of HPV can cause genital warts in males and
females. Rarely, these types can also cause warts in the throat -- a condition
called recurrent respiratory papillomatosis or RRP.
• Other HPV types can cause normal cells in the body to turn abnormal,
and might lead to cancer over time. These HPV types can cause cervical cancer
and other, less common cancers, including cancers of the vulva, vagina, penis,
anus, and head and neck (tongue, tonsils and throat).
The types of HPV that can cause genital warts are not the same as the types
that can cause cancer.
What are the potential health problems of HPV?
Genital warts usually appear as a small bump or groups of bumps in the genital
area. They can be small or large, raised or flat, or shaped like a cauliflower.
Health care providers can diagnose warts by looking at the genital area during
an office visit. Warts can appear within weeks or months after sexual contact
with an infected partner—even if the infected partner has no signs of
genital warts. If left untreated, genital warts might go away, remain unchanged,
or increase in size or number. Warts will not turn into cancer.
Cervical cancer usually does not have symptoms until it is quite advanced, very serious and hard to treat. For this reason, it is important for women to get regular screening for cervical cancer. Screening tests can find early signs of disease so that problems can be treated early, before they ever turn into cancer.
Other HPV-related cancers might not have signs or symptoms until they are advanced
and hard to treat. These include cancers of the vulva, vagina, penis, anus,
and head and neck. RRP causes warts to grow in the throat. It can sometimes
block the airway, causing a hoarse voice or troubled breathing. Although rare,
RRP can occur among adults and children.
How can people prevent HPV?
There are several ways that people can lower their chances of getting HPV:
• Vaccines can protect males and females against some of the most common
types of HPV. HPV vaccines are given in three doses over six months. It is important
to get all three doses to get the best protection. The vaccines are most effective
when given before a person's first sexual contact, when he or she could be exposed
to HPV.
• For those who choose to be sexually active, condoms may lower the risk
of HPV infection. To be most effective, they should be used with every sex act,
from start to finish. Condoms may also lower the risk of developing HPV-related
diseases, such as genital warts and cervical cancer. But HPV can infect areas
that are not covered by a condom - so condoms may not fully protect against
HPV.
Is there a treatment for HPV or related problems?
There is no treatment for the virus itself, but there are treatments for the
problems that HPV can cause:
• Visible genital warts can be removed by the patient him or herself with
medications. They can also be treated by a health care provider. Some people
choose not to treat warts, but to see if they disappear on their own. No one
treatment is better than another.
• Abnormal cervical cells (found on a Pap test) often become normal over
time, but they can sometimes turn into cancer. If they remain abnormal, these
cells can usually be treated to prevent cervical cancer from developing. This
may depend on the severity of the cell changes, the woman’s age and past
medical history, and other test results. It is critical to follow up with testing
and treatment, as recommended by a doctor.
• Cervical cancer is most treatable when it is diagnosed and treated early.
Problems found can usually be treated, depending on their severity and on the
woman’s age, past medical history, and other test results. Most women
who get routine cervical cancer screening and follow up as told by their provider
can find problems before cancer even develops. Prevention is always better than
treatment.
• Other HPV-related cancersare also more treatable when diagnosed and
treated early.
• Recurrent Respiratory Papillomatosis (RRP) can be treated with surgery
or medicines. It can sometimes take many treatments or surgeries over a period
of years.
Information retrieved on August 2, 2010 from the Center for Disease Control
(CDC) website. Please go to the CDC for more information.
Disclaimer: Links to non-Federal organizations found at this site are provided solely as a service to our users. These links do not constitute an endorsement of these organizations or their programs by H-Bond, LLC, CDC or the Federal Government, and none should be inferred. H-Bond is not responsible for the content of the individual organization web pages found at these links. Information retrieved on 8/02/10 from the CDC website at: http://www.cdc.gov/std/Herpes/STDFact-Herpes.htm