Medication Summary
Rapid cure of gonorrhea is critical to curtail transmission. Factors that influence therapeutic decisions include (1) antimicrobial susceptibility, (2) pharmacokinetic characteristics, (3) efficacy in complicated/uncomplicated infection, (4) differential efficacy at various anatomic sites of infection, (5) toxicity, (6) convenience of administration, and (7) cost.
Antibiotics
Class Summary
Therapy must cover all likely pathogens in the context of this clinical setting.
Ceftriaxone (Rocephin)
Drug of choice because of the attainment of high, sustained bactericidal levels in the blood. Also, there have been recent concerns regarding developing drug resistance with certain oral formulations. Negative considerations include possibly higher drug cost, discomfort because of injection, and additional expense due to injection administration. Binds to PBPs, inhibiting bacterial cell wall growth.
Cefixime (Suprax)
Cephalosporin that inhibits bacterial cell wall synthesis by binding to 1 or more of the PBPs. Secondary drug of choice because drug levels are not as high, nor as sustained, a bactericidal level as that seen with the 250-mg dose of ceftriaxone. In addition, possible resistance development is another concerning trend. If ceftriaxone is not an option, it may be considered because of oral administration, single-dose treatment, and perhaps lower cost compared to parenteral medication. Available as tabs and powder for oral suspension.
Doxycycline (Vibramycin, Bio-Tab, Doryx)
Inhibits protein synthesis and thus bacterial growth by binding to 30S and possibly 50S ribosomal subunits of susceptible bacteria.
Azithromycin
Binds to the 50S ribosomal subunit of susceptible microorganisms and interferes with bacterial protein synthesis.
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