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Antibodies
Antibodies


Definition:

Chlamydia is a disease caused by the bacteria Chlamydia trachomatis. It is most commonly sexually transmitted.



Causes, incidence, and risk factors:

Chlamydia infection is the most common sexually transmitted disease in the United States. Sexually active individuals and individuals with multiple partners are at highest risk.



Symptoms:

As many as 1 in 4 men with chlamydia have no symptoms. In men, chlamydia may produce symptoms similar to gonorrhea. Symptoms may include:

  • Burning sensation during urination
  • Discharge from the penis or rectum
  • Testicular tenderness or pain
  • Rectal discharge or pain

Only about 30% of women with chlamydia have symptoms. Symptoms that may occur in women include:

See also: Chlamydia (female)



Signs and tests:

The diagnosis of chlamydia infection involves sampling of the urethral discharge in males or cervical secretions in females. If an individual engages in anal sexual contact, samples from the rectum may also be needed. The sample is sent for a fluorescent or monoclonal antibody test, DNA probe test, or cell culture. Some of these tests may also be performed on urine samples.



Treatment:

The mainstay of therapy for chlamydia includes appropriate antibiotic treatment -- these include: tetracyclines, azithromycin, or erythromycin.

You can get chlamydia with gonorrhea or syphilis, so if you have one sexually transmitted disease you must be screened for other sexually transmitted diseases as well. All sexual contacts should be screened for chlamydia.

Sexual partners must be treated to prevent passing the infection back and forth. There is no significant immunity following the infection and a person may become repeatedly infected.

A follow-up evaluation may be done in 4 weeks to determine if the infection has been cured.



Support Groups:



Expectations (prognosis):

Early antibiotic treatment is extremely successful and may prevent the development of long-term complications. Untreated infection, however, may lead to PID, scarring, and ultimately infertility.



Complications:

Untreated infection may lead to pelvic inflammatory disease (PID) , which can cause scarring of the fallopian tubes and result in infertility . Tubal scarring also increases the likelihood of an ectopic pregnancy (tubal pregnancy).

If a women is infected with chlamydia while pregnant, the infection can cause premature labor and delivery. In addition, the infant may develop chlamydial conjunctivitis (eye infection) and chlamydial pneumonia.



Calling your health care provider:

Call your health care provider if you have symptoms of chlamydia.

Because many people with chlamydia may not have symptoms, sexually active adults should be screened periodically for the infection.



Prevention:

Safe sexual practices and consistent condom use are important ways to help reduce your chances of becoming infected with chlamydia.

A screening test for chlamydia is recommended each year for:

  • Sexually active women age 25 and younger
  • Women over age 25 who have new or multiple sex partners


References:

U.S. Preventive Services Task Force. Screening for chlamydial infection: U.S. Preventive Services Task Force recommendation statement. Ann Intern Med. 2007;147:128-134.




Review Date: 5/21/2008
Reviewed By: D. Scott Smith, M.D., MSc, DTM&H, Chief of Infectious Disease & Geographic Medicine, Kaiser Redwood City, CA & Adjunct Assistant Professor, Stanford University.  Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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789 Central Avenue, Dover, NH 03820
Phone: (603) 742-5252
Toll free: 1 (877) 201-7100