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: AzithromycinDoxycycline
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: Abdominal painRashNausea or vomitingDiarrhea
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 vomitingSensitivity to sunlightDiarrheaDecreased appetite
Other antibiotics AmoxicillinErythromycinLevofloxacinOfloxacin
These antibiotics are usually given for 7 days.
Side effects may include: Nausea or vomitingDiarrheaConstipationRashCramping, loss of appetite (erythromycin)Headache, lightheadedness, insomnia (levofloxacin, ofloxacin)
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.
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.
Last reviewed March 2015 by David L. Horn, MD, FACP
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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