Test Overview

Chlamydia tests use a sample the body fluid or to pee to watch whether chlamydia bacteria ( Chlamydia trachomatis) space present and causing an infection. Chlamydia is the most typical bacterial sexually sent epidemic (STI) in the united States.

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Tests offered to discover a chlamydia epidemic include:

Chlamydia culture. This is a test to discover the bacteria that cause a chlamydia infection. A sample of body liquid from locations such together the cervix, urethra, eye, rectum, or throat is included to specific cells used to grow chlamydia. If no chlamydia bacteria infect the cells, the society is negative. If chlamydia bacteria epidemic the cells, the culture is positive. Results take much longer (5 to 7 days) 보다 the various other tests.

Why that Is Done

A test because that chlamydia is excellent to:

view whether symptom of a sexually sent epidemic (STI) are brought about by a chlamydia infection. Check people who space at high hazard for gift infected with chlamydia. A chlamydia epidemic does not always cause symptoms. The U.S. Preventative Services Task force (USPSTF) proposal checking for chlamydia for: every sexually energetic women period 24 or younger. all pregnant women in the an initial trimester and again in the third trimester if high-risk sexual behaviors are reported. Dealing with a pregnant mrs who has actually a chlamydia infection have the right to prevent an epidemic in she newborn. examine for epidemic in a newborn whose mother had a chlamydia infection at the moment of delivery.

How to Prepare

A chlamydia check is done on either a pee sample or liquid (direct sample) gathered from the area that the body the is most likely to be infected. If your chlamydia test is being done on a:

urine sample: execute not urinate for 2 hours prior to a urine sample is collected. Straight sample (usually from the cervix): A woman should not douche or use vaginal creams or drugs for 24 hours before having a chlamydia test.

How the Is Done

Urine sample

If a to pee sample is collected for nucleic acid amplification experimentation (such as PCR testing), execute not urinate for 2 hours prior to the test. Do not wipe the genital area clean prior to urinating. Collection the very first part of your urine stream, immediately as you begin urinating.

Direct sample

In a straight sample, a sample the body fluid is taken from the influenced area. In adults, these areas may incorporate the cervix, urethra, vagina, rectum, or eye.

For men. To collect a sample native the urethra or rectum, your medical professional will insert a swab into the opening of your urethra or rectum. A sample indigenous the urethra is an ext likely come detect chlamydia if a man has not urinated for at least 2 hours prior to the sample is taken. To collect a sample from her eye, your doctor will gently brush the insides of your lower and upper eyelids with a swab.

There is likewise a self-test for females to collect a sample from your vagina and bring it to the lab for testing.

In rare cases, a throat culture may be done.

How it Feels

There is no discomfort in collecting a to pee sample.

Collecting a sample of fluid from the urethra, anus, or rectum may cause mild discomfort or pain.

Collecting a sample native the cervix may cause mild discomfort. Many women discover that the procedure feels favor a Pap test or pelvic exam. Some females feel part cramping once the speculum is inside the vagina.

Collecting a sample from the eye is painless unless the eyelids have actually sores on them.


There is no opportunity for difficulties in collecting a to pee sample.

There is very little chance of troubles when collecting a sample of liquid from the cervix, urethra, rectum, eyes, or throat.

In rarely cases, a human may suddenly acquire dizzy or feel faint (called vasovagal syncope) since of fear or pain as soon as the swab is inserted into the urethra.


Chlamydia tests usage a sample of body fluid or urine to see whether chlamydia bacteria ( Chlamydia trachomatis) space present and also causing an infection.

Chlamydia tests


No chlamydia antigens or DNA space found. If a culture is done, no chlamydia bacteria prosper in the culture. More tests for various other sexually sent epidemic (STIs) might be essential to find the cause of symptoms.

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Chlamydia antigens or DNA room found. If a culture is done, chlamydia bacteria flourish in the culture.

What affects the Test

Reasons you might not be able to have the check or why the results may not be valuable include:

Stool v the rectal sample. Using antibiotics before the test.

What to Think About

If a chlamydia epidemic is suspected, do not have sexual intercourse till the test results have actually come back. If you have a chlamydia infection, perform not have sexual intercourse because that 7 work after the begin of treatment. Your sex partner(s) should additionally be treated for a chlamydia infection so the you don"t obtain reinfected and also so the others don"t acquire infected.


Other functions Consulted

Chernecky CC, Berger BJ (2008). Laboratory Tests and also Diagnostic Procedures, fifth ed. St. Louis: Saunders. Fischbach FT, Dunning MB III, eds. (2009). Hands-on of Laboratory and also Diagnostic Tests, 8 hours ed. Philadelphia: Lippincott Williams and also Wilkins.

Author: Healthwise Staff medical Review: buy it Marshall MD - family members Medicine E. Gregory Thompson MD - internal Medicine Adam Husney MD - family Medicine Devika sink MD, MPH - transmittable Disease

Author: Healthwise staff

Medical Review:Sarah Marshall MD - family Medicine & E. Gregory Thompson MD - internal Medicine & Adam Husney MD - family members Medicine & Devika singh MD, MPH - contagious Disease


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