What is the strongest antibiotic for chlamydia?
Daniel Lopez
Updated on March 12, 2026
The best antibiotic to treat chlamydia is doxycycline. If doxycycline cannot be taken, the second line choice of medication to treat chlamydia is azithromycin. Both treatments are over 90% effective and should only be taken if you, or a recent sexual partner, has tested positive for chlamydia.
What is the best antibiotic for chlamydia?
The two most commonly prescribed antibiotics for chlamydia are:
- doxycycline – taken every day for a week.
- azithromycin – one dose of 1g, followed by 500mg once a day for 2 days.
Does azithromycin treat chlamydia 100%?
Azithromycin works to treat genital chlamydia in both men and women by stopping the bacteria from multiplying. Studies suggest that a one-gram dosage has 97% efficacy. That means that for every 100 people who take azithromycin to treat chlamydia, 97 will be cured and three will not be cured.What is the strongest antibiotic for STD?
Single-dose therapy with azithromycin is as effective as a seven-day course of doxycycline (Vibramycin). Doxycycline is less expensive, but azithromycin may be cost-beneficial because it provides single-dose, directly observed therapy. Erythromycin and ofloxacin (Floxin) also may be used to treat C.What is the fastest treatment for chlamydia?
If you are diagnosed with chlamydia, your doctor will prescribe oral antibiotics. A single dose of azithromycin or taking doxycycline twice daily for 7 to 14 days are the most common treatments and are the same for those with or without HIV. With treatment, the infection should clear up in about a week.Chlamydia treatment in 100 seconds
Is doxycycline or azithromycin better for chlamydia?
In our study, we determined adherence through the staff recording directly observed treatment, and our results suggest that doxycycline is up to 100% efficacious against chlamydia among patients who are mostly adherent, whereas azithromycin may be slightly less efficacious, with an occasional treatment failure.Which is better azithromycin or doxycycline?
Trial finds doxycycline slightly more effective, but researchers not entirely convinced of its superiority. Standard treatment for chlamydia is a single dose of azithromycin or a week's course of doxycycline twice daily.Does azithromycin 500mg cure chlamydia?
by Drugs.comA single dose of azithromycin 1 gram orally will cure genital chlamydia according to the CDC Guidelines for Sexually Transmitted Diseases, released in 2015, but still considered current. This is usually taken as four 250mg or two 500mg tablets of azithromycin in a single dose.
What happens if doxycycline doesn't work for chlamydia?
What happens if you don't seek treatment? If you take your antibiotics as directed, chlamydia is likely to go away. But if it's left untreated, it can cause a few complications. For example, if you have a vulva, you could develop pelvic inflammatory disease (PID).What is the best antibiotic for chlamydia and gonorrhea?
by Drugs.comFrom the 2015 Sexually Transmitted Disease (STD) guidelines, the CDC recommends treatment for a gonorrhea-chlamydia coinfection with azithromycin (Zithromax) 1 gram given orally in a single dose, plus ceftriaxone (Rocephin) 250 mg given intramuscularly as first-line therapy.