Chlamydia

• Chlamydia Overview
• Chlamydia Causes
• Chlamydia Symptoms
• When to Seek Medical Care
• Exams and Tests
• Chlamydia Treatment
• Medications
• Next Steps
• Follow-up
• Prevention
• Outlook
• Synonyms and Keywords
• Authors and Editors

Chlamydia Overview

Chlamydia is a bacterial infection disease transmitted when people have sexual relations. It is the most common sexually transmitted disease (STD) in the United States. Among adults, about 5% of the population is estimated to be infected. Among sexually active adolescent females, about 10% are infected.

Infection with chlamydia is most commonly found among the following groups:

• Young adults

• People living in urban areas

• African Americans

• Those with lower social and economic status