What is genital herpes?
Genital herpes is a common disease caused by a virus. The
virus is called the herpes simplex virus, or HSV. It causes
painful blisters that break open and form sores in the
genital area.
How does it occur?
You can become infected with the virus by contact with
broken blisters or sores on the genitals, mouth, or rectal
area of an infected person. The infection can be passed
from person to person during sex. You may spread it with
your hands if the virus gets on your hands.
Once you are infected, the virus stays in your body for the
rest of your life. Usually the virus is inactive, which
means it is staying in certain cells and not causing
symptoms. However, the virus may become active and cause
sores again. The sores may come back often. Outbreaks of
sores may occur with physical stress, such as wearing tight
clothing, having sex without enough lubrication, or having
other illnesses. Emotional stress or menstruation may also
cause an outbreak. Most people with herpes have recurrent
infections.
Herpes is very contagious when you have sores. It is not
clear if the herpes virus can be spread to others when there
are no blisters or rash.
What are the symptoms?
Symptoms may occur within 2 weeks after the virus first
enters your body and may include:
- painful sores (blisters) on the genitals (for example, a
man's penis or the area around a woman's vagina), thighs,
or buttocks
- vaginal discharge
- pain when you urinate or have intercourse
- trouble urinating
- itching in the genital or anal area
- general discomfort, such as tiredness and muscle aches
- fever (usually only with the first outbreak of blisters)
- tender, enlarged lymph nodes in the groin.
The sores appear first as tiny clear blisters. Usually they
occur in groups of several blisters, but sometimes there may
be just a single blister. The blisters usually quickly lose
their thin tops. Then they look like small (1/8 inch to 1/4
inch wide), pink or red shallow sores. The blisters may be
painful and oozing. They may become covered with a
yellowish dried crust.
The symptoms of herpes are usually most severe during the
first outbreak. Some people infected with herpes have no
symptoms.
How is it diagnosed?
Your health care provider will ask about your symptoms and
examine you. Cells or liquid from one of the sores will be
tested in the lab for the virus.
How is it treated?
Genital herpes cannot be cured. The virus will stay in your
body. However, your health care provider may prescribe
medicine such as acyclovir, famciclovir, or valacyclovir to
relieve the symptoms more quickly. Even though you are
taking the medicine, the infection will still be very
contagious as long as you have sores, but the medicine will
shorten the amount of time you are contagious. If you are
pregnant, discuss the use of these medicines with your
provider.
Pain medicine such as acetaminophen or ibuprofen can help
relieve pain and fever. Sitting in a bathtub of warm water
2 or 3 times a day may also help soothe the pain.
If a pregnant woman has an active herpes infection at the
time her baby is born, she could pass the disease to her
baby. If you are pregnant and have had herpes, tell your
provider so steps can be taken to avoid infecting the baby
at delivery. If you have an active herpes infection when
you go into labor, your provider may suggest a cesarean
delivery (C-section).
How long will the effects last?
The sores usually start to heal after about 5 days. They
generally disappear in 1 to 3 weeks. Sometimes they may
last for as long as 6 weeks, especially when a woman also
has a bacterial or yeast infection of the vagina. The sores
rarely leave scars.
About half of herpes-infected people have repeat outbreaks
of sores. These recurrences tend to be milder than the
first bout of herpes and the sores heal more quickly.
How can I take care of myself while I have an active
infection?
Follow the full treatment prescribed by your health care
provider. In addition, when you have sores:
- Take all the medicine as prescribed by your health care
provider.
- Wipe yourself from front to back after using the toilet.
- Wear loose clothing, preferably cotton, to allow
circulation of air. It also helps avoid pressure on the
skin, which may cause more blisters.
- Take aspirin, acetaminophen, or ibuprofen to reduce pain.
- Avoid sharing towels or clothing.
- Avoid using douches, perfumed soaps, sprays, feminine
hygiene deodorants, or other chemicals in the genital
area.
- Avoid a lot of sunlight and heat, which may cause more
blisters.
- Avoid sexual contact with others.
Although genital herpes itself is not usually a serious
disease, having it can lead to depression and other
emotional problems. Don't let herpes lower your
self-esteem. Recognize and avoid stress because stress can
decrease your resistance to reinfection.
There are many herpes counseling groups that give support
and help to herpes patients. You can get more information
by calling the National Sexually Transmitted Disease Hotline
at 1-800-227-8922.
What can I do to help prevent recurrences of herpes
infection?
You may have fewer recurrences if:
- You take all the medicine prescribed by your health care
provider. Daily doses of acyclovir or another antiviral
medicine may lessen the frequency of recurrent outbreaks
of herpes sores and might prevent recurrences completely.
- You follow your health care provider's instructions for
follow-up visits and tests.
- You tell your sexual partner or partners about the
infection so they can be checked and treated, if
necessary.
- You avoid conditions that might cause the infection to
recur, such as high stress or vaginal infections.
How can I help prevent infection with genital herpes?
- Practice safe sex. Always use latex or polyurethane
condoms during any sexual contact because it is not
possible always to know or predict when the virus can be
shed or passed to someone else. This includes
oral-genital and anal-genital sex. In addition, you are less
likely to get a sexually transmitted disease if you have
just one sexual partner who has no other partners.
- Ask your partner(s) if they have had herpes because
herpes may be spread from areas not protected by condoms;
for example, the groin, thigh, and abdomen. Avoid sexual
contact if your partner has any sores.
- Avoid oral-genital and oral-anal sex with someone who has
fever blisters (cold sores) in the mouth. Cold sores are
caused by a related virus that can infect the genitals.
Developed by Phyllis G. Cooper, RN, MN, and David W. Kaplan, MD.
This content is reviewed periodically and is subject to
change as new health information becomes available. The
information is intended to inform and educate and is not a
replacement for medical evaluation, advice, diagnosis or
treatment by a healthcare professional.
Copyright © 2005 McKesson Corporation and/or one of its subsidiaries. All Rights Reserved.