What is chlamydia?
Chlamydia (say "kluh-MID-ee-uh") is an infection spread through sexual contact. This disease infects the urethra in men. In women, it infects the urethra and the cervix and can spread to the reproductive organs. It is one of the most common sexually transmitted infections (STIs).
Chlamydia does not cause problems if you treat it right away. But left untreated, it can lead to serious problems, especially for women:
What causes chlamydia?
A certain kind of bacteria causes chlamydia. It can spread from one partner to another during vaginal, anal, or possibly oral sex. A pregnant woman can pass the infection to her newborn during delivery.
What are the symptoms?
Most people don't have symptoms. When symptoms do occur, they can include pain when you urinate, cloudy urine, or an abnormal discharge from the penis or vagina.
You can spread chlamydia even if you do not have symptoms. You are contagious until you have been treated.
How is chlamydia diagnosed?
Your doctor will ask you questions about your past health and your sexual history, such as how many partners you have. You may also have a physical exam to look for signs of infection.
Several types of tests can be used to diagnose chlamydia. Most use a sample of urine or a swab from the cervix or urethra.
Since chlamydia can cause serious problems but may not cause symptoms, it's a good idea to get tested once a year if you are sexually active and in your mid-20s or younger. Local health departments and family planning clinics usually offer low-cost testing.
How is it treated?
Antibiotics are used to treat chlamydia. It's important to take all of the medicine as directed. Otherwise the medicine may not work. Both sex partners need treatment to keep from passing the infection back and forth.
As soon as you find out you have chlamydia, be sure to let your sex partners know. Experts recommend that you notify everyone you've had sex with in the past 2 months. If you have not had sex in the past 2 months, contact the last person you had sex with.
Having a chlamydia infection that was cured does not protect you from getting it again. If you are treated and your sex partner is not, you probably will get it again.
Some people who have chlamydia also have gonorrhea, another STI.
Finding out that you have an STI may make you feel bad about yourself or about sex. Counseling or a support group may help you feel better.
How can I prevent chlamydia?
It's easier to prevent an STI like chlamydia than it is to treat it:
Frequently Asked Questions
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