Can Chlamydia Go Away on Its Own or Come Back?
Quick answer
Don't count on chlamydia going away by itself. None of the CDC, WHO, NHS or MedlinePlus pages we checked say it reliably clears without treatment. Left untreated, it can cause pelvic inflammatory disease, infertility and ectopic pregnancy in women, and it can be passed on even without symptoms, so order a test online and get treated with antibiotics prescribed by a clinician. It can come back after treatment, usually through reinfection, so the CDC advises retesting about 3 months after treatment.
People often ask whether chlamydia can clear up by itself, hide for years or return after antibiotics. The short version is that the sources we reviewed back treatment, not waiting, and that a returning infection is usually a new one.
Can chlamydia go away on its own?
Don’t plan on it. The CDC says chlamydia often has no symptoms but can still cause serious health problems, and the WHO says that left untreated it can lead to pelvic inflammatory disease and infertility in women. None of the CDC, WHO, NHS or MedlinePlus pages we read say that chlamydia reliably clears without treatment.
What they do say is that antibiotics cure it. The WHO calls it “easily treated and cured with antibiotics”. Symptoms easing doesn’t prove the infection has gone, so a test is the way to find out. The NHS adds that the sooner you get treatment, the easier any complications are to treat, which is another reason not to wait and see.
Can chlamydia be dormant or stay hidden for years?
“Dormant” isn’t a term the CDC or NHS use. What they describe is an infection that often causes no symptoms. The CDC says symptoms, if they occur, may not appear until several weeks after sex with an infected partner, and the NHS says they can start from 1 week to several months after infection.
The sources we reviewed don’t give a limit on how long someone can have chlamydia without knowing. They also don’t offer a way to tell, from a positive result, when an infection started. We haven’t included a time frame because we couldn’t source one.
Why did chlamydia come back after treatment?
Usually because of a new exposure, not because the medicine failed. The CDC says a high proportion of people treated for chlamydia are infected again, and that the majority of these infections come from reinfection, caused by a partner who didn’t receive treatment or by starting sex with a new infected partner.
Reinfection can happen if:
- A partner who had chlamydia wasn’t treated, or wasn’t treated at the same time as you
- You had sex before you and your partners finished treatment
- You had sex without a condom with a new partner who has chlamydia
The CDC says you should not have sex until you and your sex partners have completed treatment. Because the infection often has no symptoms, a partner can have it and not know.
Can treatment fail?
The CDC says most infections found after treatment are not treatment failure, but it doesn’t say failure never happens. A clinician may suggest a repeat test sooner than 3 months if you didn’t take the medicine as prescribed, symptoms persist or you think you were re-exposed. Tell your clinician if any of these apply.
What about a positive test soon after treatment?
The CDC says that testing less than 4 weeks after completing treatment isn’t recommended, because continued presence of nonviable organisms can lead to false-positive results. A positive result at that point may not mean you’re infected again. See our page on false positive chlamydia tests for more.
When should I retest?
About 3 months after treatment, says the CDC, whether or not you think your partners were treated. If that isn’t possible, retest within 12 months of treatment. You can order a test online.
How do I lower the chance of it coming back?
- Complete all your medicine.
- Make sure partners get tested and treated.
- Avoid sex until you and your partners have finished treatment. See chlamydia treatment and retesting for the timings.
- Use condoms. The CDC says using them correctly every time you have sex can lower your chance of getting chlamydia.
Getting chlamydia again is common and not a sign you did something wrong. It is treatable each time, but repeat infections matter: the CDC says they raise the risk of pelvic inflammatory disease and other complications in women.
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Get care today if
- Pelvic or lower belly pain that is severe, getting worse or comes on suddenly
- Pelvic pain with a fever, or with shivering or feeling very unwell
- Pain and swelling in one or both testicles, especially with a fever
- You are pregnant and have pelvic pain or unusual bleeding
Call 911 for a medical emergency. Otherwise, urgent care or your doctor can see you today.
When to test
- If you think you have been exposed, or a partner tells youOrder an online test even if you feel fine. The CDC says symptoms may not appear until several weeks after sex with a partner who has chlamydia, and often never appear.
- If symptoms continue or return after treatmentOrder a repeat test online, and tell a clinician if symptoms continue. The CDC says repeat testing is appropriate when symptoms persist or reinfection is suspected.
- About 3 months after treatmentThe CDC says to retest about three months after treatment, even if your partners were treated. You can order the retest online.
- Not sooner than 4 weeks after finishing treatmentTesting earlier than that can give a false-positive result, because non-living bacteria can still be detected, according to the CDC.
Common questions
Does chlamydia go away without treatment?
The sources we reviewed don't say it reliably clears by itself, and the CDC says untreated infection can lead to serious problems such as pelvic inflammatory disease in women. Even if symptoms ease, the infection may still be there. A test and antibiotics are the only dependable route to being cured.
Can chlamydia lie dormant for years?
The CDC and NHS describe chlamydia as often having no symptoms, and the NHS says symptoms that do occur can start from a week to several months after infection. None of the sources we reviewed gives a time limit for how long an infection can go unnoticed. A positive test can't tell you when it began.
Can I get chlamydia again after treatment?
Yes. The CDC says that if you've had chlamydia and took medicine in the past, you can still get it again by having sex without a condom with someone who has it. Treatment does not make you immune.
Can chlamydia come back if my partner was treated too?
It can. The CDC says people should be retested about 3 months after treatment regardless of whether they believe their partners were treated. A new partner, or a partner who wasn't fully treated, can pass it back.
Sources
This guide is general information written by a patient advocate using public health sources. It is not a diagnosis. Only a clinician who examines you, or a lab test, can tell you what you have. Read how we write and check our guides.