Illness and Conditions - Medical Tests
Chlamydia tests use a sample of body fluid or urine to see whether chlamydia bacteria (Chlamydia trachomatis) are present and causing an infection. Chlamydia is the most common bacterial sexually transmitted infection (STI) in the United States.
Several types of tests can be used to find a chlamydia infection. Most tests use a sample of body fluid from the affected area.
Why It Is Done
A test for chlamydia is done to:
How To Prepare
A chlamydia test is done on either fluid (direct sample) collected from the area of the body that is most likely to be infected or on a urine sample. If your chlamydia test is being done on a:
How It Is Done
In rare cases, a throat culture may be done.
If a urine sample is collected for nucleic acid amplification testing (such as PCR testing), do not urinate for 2 hours before the test. Do not wipe the genital area clean before urinating. Collect the first part of your urine stream, immediately as you begin urinating.
How It Feels
Collecting a sample of fluid from the urethra, anus, or rectum may cause mild discomfort or pain.
Collecting a sample from the cervix may cause mild discomfort. Most women find that the procedure feels like a Pap test or pelvic exam. Some women feel some cramping when the speculum is inside the vagina.
Collecting a sample from the eye is painless unless the eyelids have sores on them.
There is very little chance of problems when collecting a sample of fluid from the cervix, urethra, rectum, eyes, or throat.
In rare cases, a person may suddenly get dizzy or feel faint (called vasovagal syncope ) because of fear or pain when the swab is inserted into the urethra.
Chlamydia tests use a sample of body fluid or urine to see whether chlamydia bacteria (Chlamydia trachomatis) are present and causing an infection.
What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:
What To Think About
To learn more visit Healthwise.org
© 1995-2013 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.