Should I Get Tested for Chlamydia After Previous Infection Without Symptoms? - Urology

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Regarding the testing issues related to Chlamydia?


I would like to ask the doctor, I am a female and I previously tested positive for Chlamydia infection, but at that time I did not receive any treatment and had no symptoms.
Should I get tested now? If so, should I check for IgA or IgM? I believe IgM disappears after the initial infection, right? Thank you, doctor!

AMY, 10~19 year old female. Ask Date: 2017/02/27

Dr. Du Shixi reply Urology


Hello: If there is currently no infection, it is possible that IGA and IGM may not be detectable.
Therefore, if you are not infected, the test results will be normal.
Thank you for your inquiry.
It's non-specific.

Reply Date: 2017/02/27

More Info


It's great that you're taking a proactive approach to your sexual health. Chlamydia is a common sexually transmitted infection (STI) that can often be asymptomatic, meaning many people do not experience noticeable symptoms. This can lead to complications if left untreated, such as pelvic inflammatory disease (PID) in women, which can affect fertility.

Given your history of a previous chlamydia infection, even without symptoms, it is advisable to get tested again. The Centers for Disease Control and Prevention (CDC) recommends that sexually active women under 25 years old, as well as older women with risk factors (such as new or multiple sexual partners), get screened for chlamydia annually. Since you mentioned that you did not receive treatment for your previous infection, it is particularly important to confirm whether the infection has been cleared or if it persists.

Regarding the types of tests, chlamydia testing typically involves a nucleic acid amplification test (NAAT), which is highly sensitive and specific for detecting the bacteria. This test can be performed using a urine sample or a swab from the cervix. The IgA and IgM tests you mentioned are serological tests that measure antibodies in the blood. However, these are not commonly used for diagnosing chlamydia infections. IgM antibodies can indicate a recent infection, but they may not be present in all cases, and their presence can sometimes be misleading. Therefore, the best approach for diagnosing chlamydia is through direct testing for the bacteria rather than relying on antibody tests.

If you test positive for chlamydia, treatment typically involves a course of antibiotics, which is effective in clearing the infection. It's also essential to inform any sexual partners so they can get tested and treated as well, to prevent reinfection.

In summary, yes, you should definitely get tested for chlamydia, especially considering your previous infection and lack of treatment. Opt for a NAAT test rather than antibody testing, as it will provide a more accurate diagnosis. Regular screening is a key part of maintaining sexual health, especially if you have had previous infections or engage in high-risk sexual behaviors. Remember to discuss your concerns and history with your healthcare provider, who can guide you through the testing and treatment process.

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