Summary:
- Chlamydia is the most common STI in the United States.
- Like most STIs, rates of chlamydia are highest in teens and young adults.
- Chlamydia can be cured with antibiotics, but often there are no symptoms, so people do not seek treatment.
- Untreated gonorrhea can lead to more serious problems, such as pelvic inflammatory disease (PID) Syphilis can cause serious damage to the heart, brain, and other organs.
- It may eventually lead to death.