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Prescription Medications

Chlamydia is treated with antibiotics. It is important to take all antibiotics for the full term, even if you are feeling better. Not doing so risks reinfection.

First-line antibiotics include:

  • Azithromycin
  • Doxycycline

Other antibiotics include:

  • Amoxicillin
  • Erythromycin
  • Levofloxacin
  • Ofloxacin

Azithromycin

This antibiotic is effective with a single dose. If you have liver or kidney disease, this medication should be use with caution.

Side effects may include:

Doxycycline

This antibiotic is usually given for 7 days. It is just as effective as a single dose of azithromycin. It should not be used in children less than 8 years old or during pregnancy.

Side effects may include:

  • Nausea or vomiting
  • Sensitivity to sunlight
  • Diarrhea
  • Decreased appetite

Other antibiotics

  • Amoxicillin
  • Erythromycin
  • Levofloxacin
  • Ofloxacin

These antibiotics are usually given for 7 days.

Side effects may include:

  • Nausea or vomiting
  • Diarrhea
  • Constipation
  • Rash
  • Cramping, loss of appetite (erythromycin)
  • Headache, lightheadedness, insomnia (levofloxacin, ofloxacin)

Revision Information

  • Reviewer: David Horn, MD
  • Review Date: 05/2014 -
  • Update Date: 00/73/2014 -
  • Chlamydia—CDC fact sheet. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/std/chlamydia/STDFact-chlamydia-detailed.htm. Updated January 7, 2014. Accessed July 31, 2014.

  • Chlamydia genital infection. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated June 30, 2014. Accessed July 31, 2014.

  • Mishori R, McClaskey, EL, et al. Chlamydia trachomatis infections: Screening, diagnosis, and management. Am Fam Physician. 2012;86(12):1127-1132.

  • Workowski KA, Berman S, Centers for Disease Control and Prevention. Sexually Transmitted Diseases Treatment Guidelines, 2010. MMWR. 2010;59(No. RR-12):1-110.