Chlamydia is the most commonly diagnosed sexually transmitted infection (STI) in New Zealand. It affects people of any gender. Chlamydia can be easily treated with antibiotics, but if not treated, it can cause infertility. Show
Key points
How is chlamydia spread?In nearly all cases chlamydia is transmitted through sexual contact.
Another way of transmitting chlamydia is from mother to baby during birth. If this occurs, your baby may develop an eye or lung infection. This needs urgent treatment.
What are the symptoms of chlamydia?Most people who are infected by chlamydia don't notice any symptoms and so don't know they have it.
Common symptoms, if they do occur, may include the following:
Chlamydial infection of your throat can occur, but is uncommon and usually does not cause any symptoms. How is chlamydia diagnosed?The best way to find out if you have chlamydia is to have a sexual health check-up.
How is chlamydia treated?Chlamydia is easily treated with antibiotics such as with doxycycline, which is taken as a course of treatment over 7 days, or with azithromycin which is a single-dose treatment. It is important to finish all the antibiotics, otherwise the infection may not be properly treated. Condom use during the treatment period
After completing the treatment, phone your doctor or return to the clinic for a follow-up after 3 months to check you have not been re-infected. Do sexual contacts need treatment?If you have had sex without a condom with your sexual contact/s it is very likely they are infected with chlamydia. This means they need to have a sexual health check-up and be treated for chlamydia regardless of symptoms or test results. Why is treatment of chlamydia important?When treated early, chlamydia does not cause any long-term complications. Left untreated, serious and permanent damage can occur. It may lead to pelvic inflammatory disease (PID). This is when female reproductive organs, found in your pelvis, become inflamed. PID may cause ectopic pregnancies (where the pregnancy develops in your fallopian tubes instead of your uterus), infertility (when the fallopian tubes become damaged by scar tissue preventing further pregnancy) or chronic pelvic pain. If not treated, chlamydia can spread to testicles, leading to pain and swelling. Chlamydia may occasionally cause infertility in men. Sometimes chlamydia may trigger a condition called Reiter's disease (sexually acquired reactive arthritis) which causes inflammation of your eyes, skin and joints. Chlamydia can be passed from mother to baby during birth. The baby may subsequently develop eye and/or ear infections or pneumonia. How can I prevent getting chlamydia?Anyone who is sexually active can catch chlamydia. You're most at risk if you have a new sexual partner or don't use a barrier method of contraception, such as a condom, when having sex. You can help to prevent the spread of chlamydia by:
Learn moreThe following links provide further information on chlamydia. Be aware that websites from other countries may contain information that differs from New Zealand recommendations. Chlamydia Sexual Health Society, NZ References
How long after treatment for chlamydia is it safe to have intercourse?When can I have sex again after my chlamydia treatment? You should not have sex again until you and your sex partner(s) complete treatment. If given a single dose of medicine, you should wait seven days after taking the medicine before having sex.
What happens if you don't wait 7 days after treatment for chlamydia?The treatment won't work if someone is re-exposed to chlamydia and/or gonorrhea within those 7 days. If you cannot avoid having sex for 7 days, then using a condom will help lower the chance of passing the STI to your partners and/or getting the infection again, but there is no guarantee.
Do you really have to wait 7 days after chlamydia treatment?Persons with chlamydia should abstain from sexual activity for 7 days after single dose antibiotics or until completion of a 7-day course of antibiotics, to prevent spreading the infection to partners. It is important to take all of the medication prescribed to cure chlamydia.
How do you know if chlamydia is gone after treatment?Chlamydia is a bacterial infection (like strep throat or an ear infection), which means that once you've been treated and tested negative for it (to make sure the antibiotics worked), it's gone.
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