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Chlamydia is treated with antibiotics.

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 disease, or kidney disease, this medicine should be use with caution.

Side effects may include:

  • Stomach pain
  • Rash
  • Nausea or vomiting
  • Diarrhea

Doxycycline

This antibiotic is usually given for seven 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 in 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 seven days.

Side effects may include:

  • Nausea or vomiting
  • Diarrhea
  • Constipation
  • Rash
  • Cramping, loss of appetite (Erythromycin)
  • Headache, lightheadedness, insomnia (Levofloxacin, Ofloxacin)

Revision Information

  • Chlamydia. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/std/chlamydia/default.htm. Updated April 30, 2013. Accessed May 16, 2013.

  • Chlamydia genital infection. EBSCO DynaMed website. Available at: https://dynamed.ebscohost.com/about/about-us. Updated March 13, 2013. Accessed May 16, 2013.

  • Chlamydia fact sheet. US Department of Health and Human Services Women's Health website. Available at: hhttp://www.womenshealth.gov/publications/our-publications/fact-sheet/chlamydia.cfm. Updated July 8, 2011. Accessed May 16, 2013.

  • Miller KE. Diagnosis and treatment of chlamydia trachomatis infection. Am Fam Physician. 2006;73:1411-1416.

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