Chlamydia is a common sexually transmitted infection of the
male sexual organs. Men often do not know they have a
chlamydial infection because they may not have any symptoms.
However, chlamydia can be passed on to female sexual
partners and cause severe infections and complications for
them and newborn babies.
How does it occur?
The organisms that cause the infection are called Chlamydia
trachomatis. They are similar to bacteria. The infection
is usually passed from person to person during sexual
intercourse. It can also be passed by other intimate
contact with the genital or rectal area.
In men chlamydia usually infects the urethra. The urethra
is the tube that passes through the middle of the penis.
Urine and sexual fluid (semen) flow through the urethra.
Infection of the urethra is called urethritis.
Chlamydia may also infect the epididymis or prostate gland.
The epididymis is a small organ attached to the testicle.
It is important in sperm production. The prostate is a
gland at the base of the penis. It produces nutrients for
sperm. Infection of the epididymis is called epididymitis.
Prostate infection is called prostatitis.
The anus and rectum may also be infected if you have anal
intercourse.
What are the symptoms?
Often there are no symptoms. If your urethra is infected,
you may have:
- discharge from the end of the penis
- discomfort when you urinate.
Infection of the epididymis causes pain in the testicle.
Possible symptoms of prostate infection are:
- discharge from the urethra
- discomfort when or after you urinate
- pain during or after intercourse
- lower back pain.
Sometimes infections of the prostate or epididymis are
sudden and severe. These infections may cause fever or
other symptoms of illness. They require prompt medical
attention.
Possible symptoms of anal infections are:
- irritation around the anus
- pain when you have a bowel movement.
How is it diagnosed?
Your health care provider will ask about your symptoms and
examine you. To diagnose infection of the urethra, you will
probably have a lab test of a sample of fluid from the
opening of the urethra. For this test, a slim swab is
inserted into the opening of the urethra at the tip of the
penis. You may also have a urine test for chlamydia.
Your health care provider may swab the anus if you have had
anal sex or are having symptoms in that area.
Lab tests help your provider know what is causing the
infection and which antibiotic will work best. However, it
is often not possible to identify the organism that is
causing infections of the epididymis and prostate gland.
How is it treated?
Taking antibiotics usually cures the infection. Most
infections of the urethra require 7 days of antibiotics.
Sometimes the infection can be treated with a single dose of
antibiotic. Prostate infections may need 2 to 4 weeks of
treatment.
Many health care providers begin antibiotic treatment before
lab results are available. In the case of epididymitis or
prostatitis, an antibiotic is chosen that is effective
against chlamydia and other possible causes of the
infection. You may need to take more than one antibiotic,
especially if there is a chance you have other infections,
such as gonorrhea.
Your sexual partner or partners should also have treatment
even if they have no symptoms. Discuss this with your
health care provider.
How long will the effects last?
The symptoms of urethritis usually are gone within a few
days after you start taking the antibiotic. However, it is
very important to kill all of the chlamydia. Take your
medicine for as long as it is prescribed, even if your
symptoms are gone before you have finished taking it.
The symptoms of epididymitis and particularly prostatitis
may take several more days to go away completely.
If you keep having symptoms despite the antibiotics, be sure
to tell your health care provider. It is especially
important to tell your provider if any symptoms come back
after you finish taking the antibiotic.
Chlamydia can cause infertility. The risk of infertility is
greatest if you have an infection for weeks or months
without treatment.
How can I take care of myself?
- Follow the full treatment prescribed by your health care
provider. This includes taking your medicine for as long
as it is prescribed, even if your symptoms are gone
before you have finished taking it.
- Take aspirin or acetaminophen to reduce pain.
- If you are taking the antibiotic tetracycline or
doxycycline, avoid milk products 1 to 2 hours before and
after you take the medicine. Also, avoid sun exposure.
The medicine may cause you to be very sensitive to the
sun and get a severe sunburn.
- Follow your health care provider's instructions for
follow-up visits and tests. Your provider will check
that the infection is gone.
- Tell everyone with whom you have had sex in the last 3
months about your infection. They must also be treated,
even if they have no symptoms. Do not have sex before
both you and your partner have finished all the medicine
and your provider says it is OK.
How can I help prevent chlamydial infection?
- Make sure you tell your sexual partner(s) that they have
been exposed to chlamydia.
- Reduce the risk of infection by always using latex or
polyurethane condoms during foreplay and sexual
intercourse.
- Have just 1 sexual partner who is not sexually active
with anyone else. Make sure your partner has been tested
for chlamydia and other sexually transmitted diseases.
- Even if you don't have symptoms but have had unprotected
sex (without a condom), see your health care provider to
be checked for sexually transmitted diseases.


Disclaimer: This content is reviewed periodically and is subject to
change as new health information becomes available. The
information provided is intended to be informative and educational and is not a
replacement for professional medical evaluation, advice, diagnosis or
treatment by a healthcare professional.
HIA File INF4503F.HTM Release 9.0/2006. Copyright © 2006 McKesson Corporation and/or one of its subdiaries. All Rights Reserved.
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