Which of the following treatments is NOT commonly used for Chlamydia?

Ceftriaxone is not commonly used for the treatment of Chlamydia. The standard treatments for Chlamydia include doxycycline and azithromycin, which are both effective against the bacteria that cause this sexually transmitted infection. Doxycycline is typically administered over a week, while azithromycin can be given as a single-dose regimen, making both options practical and effective.

Amoxicillin, while not as commonly used as the first-line treatments, is sometimes utilized in specific populations, such as pregnant women, due to its safety profile. On the other hand, ceftriaxone is primarily indicated for gonorrhea treatment, not chlamydial infections. Therefore, the correct response highlights the proper treatment protocols for Chlamydia and recognizes the specific use of ceftriaxone in managing different bacterial infections.