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Chlamydia is a bacterial infection that's spread through sexual contact. It's one of the most common sexually transmitted infections (STIs). It can spread from one partner to another during vaginal, anal, or oral sex.
Most people who have chlamydia don't have symptoms. But they can still infect their sex partners.
Chlamydia is treated with antibiotics. Treatment is important. If chlamydia isn't treated, it can lead to other problems. For example, it can cause a severe infection of the uterus, fallopian tubes, or ovaries. (This is called pelvic inflammatory disease, or PID.).This can make it hard to get pregnant in the future. It can also lead to another kind of infection that causes pain and burning when you urinate (urethritis).
It's easy to get chlamydia again. Condoms can help prevent infections. Not having sex is the best way to prevent any sexually transmitted infection.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Here are some ways to help prevent STIs:
Vaccines are available for some STIs, such as HPV. Ask your doctor for more information.
Call 911 anytime you think you may need emergency care. For example, call if:
Call your doctor or nurse advice line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse advice line if:
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Current as of: August 2, 2022
Author: Healthwise Staff
Medical Review:Sarah Marshall MD - Family Medicine & Adam Husney MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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