SEXUALLY TRANSMITTED DISEASES CONTROL BRANCH
Chlamydia
Chlamydia is a common sexually transmitted infection (STI) caused by a bacterium called
Chlamydia trachomatis. Infection often causes no symptoms, and if not treated, can lead to serious reproductive health problems such as pelvic inflammatory disease (PID) and infertility. Chlamydia also can cause infections in newborn babies. Tests and effective treatments are available.
Resources for Providers
- How to Prescribe Expedited Partner Therapy (EPT) for Sexually Transmitted Infections (californiaptc.com) (PDF)
- *NEW* Expedited Partner Therapy (EPT) for STIs – What is EPT and Why should I Prescribe it? (PDF)
-
Dear Colleague Letter - Extragenital Screening (PDF)
- Chlamydia Screening Clinical Quality Improvement Resources - Resources and tools for chlamydia screening quality improvement (QI) efforts, grouped by resource type.
-
Chlamydia Treatment Guidelines, 2021
- Best Practices for Preventing Repeat Chlamydial and Gonococcal Infections, 2016 (PDF)**
-
Patient-Delivered Partner Therapy: A Counseling Guide for Providers (PDF)**
-
A Guide to Taking a Sexual History (CDC) (PDF)
-
Why Screen for Chlamydia? A Provider Implementation Guide (PDF)
Resources for Local Health Jurisdictions
Resources for the Public
-
Fact Sheet on Chlamydia (CDC) [English] [Spanish]
- Patient and Partner Education Materials for PDPT in Multiple Languages
- Free STD Retest Reminders for Patients
- STD Test Sites
- Teen-Friendly STD Information and Health Clinics
- Condom Access for Teens
- Assess Your Risk for STDs
- Send an Email or Test to Let Your Partners Know They Should Get Tested (TellYourPartner.org)
- Just Diagnosed? Next Steps After Testing Positive for Gonorrhea or Chlamydia [English]
Data & Surveillance
**Please note, the treatment regimens for patient-delivered partner therapy/expedited partner therapy are out of date in these documents. Please refer to the 2021 STI Treatment guidelines for the current treatment regimens.
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