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Chlamydia Infection (Sexually Transmitted)

Casandra Cashman, MD, FAAFP Reviewed 06/2018
 


BASICS

DESCRIPTION

  • Chlamydia trachomatis is an intracellular membrane-bound prokaryotic organism. Chlamydia derives from the Greek word for “cloak.”

  • Chlamydia is the most common bacterial sexually trans...

DIAGNOSIS

Many patients are asymptomatic. 
Pregnancy Considerations

  • Test all patients at first prenatal visit.

  • Obtain test of cure 3 to 4 weeks after treatment for pregnant patients. Test for reinfection...

TREATMENT

GENERAL MEASURES

  • Offer concurrent testing for gonorrhea, HIV (after counseling and consent), and possibly syphilis. Ensure cervical cancer screening up to date.

  • Consider treating gonorrhea emp...

ONGOING CARE

FOLLOW UP RECOMMENDATIONS

Abstain from sexual contact for at least 7 days after treatment (single-dose treatment) or until completion of the full course of other antibiotics. 

Patient Monitoring

REFERENCES

1
1 Centers for Disease Control and Prevention. 2015 Sexually transmitted disease surveillance: chlamydia. http://www.cdc.gov/std/stats15/chlamydia.htm. Accessed June 29, 2017.
2
2 Centers for...

ADDITIONAL READING

  • Price MJ, Ades AE, De Angelis D, et al. Risk of pelvic inflammatory disease following Chlamydia trachomatis infection: analysis of prospective studies with a multistate model. Am J ...

SEE ALSO

Cervicitis, Ectropion, and True Erosion; Epididymitis; Gonococcal Infections; HIV/AIDS; Pelvic Inflammatory Disease (PID); Syphilis; Urethritis 

CODES

ICD10

  • A56.8 Sexually transmitted chlamydial infection of other sites

  • A56.01 Chlamydial cystitis and urethritis

  • A56.02 Chlamydial vulvovaginitis

  • A71.9 Trachoma, unspecified

  • A56.09 Other chlamydial inf...

CLINICAL PEARLS

  • C. trachomatis is common in young sexually active individuals. Annual screening is recommended in sexually active women 25 years of age and younger and in other individuals with known ...

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