Use of first-line treatment for Neisseria gonorrhoeae after treatment guideline changes.

After 2 notices with treatment recommendation changes for Neisseria gonorrhoeae, the Philadelphia Department of Public Health documented medical therapy for 92% (3279/3551) of cases; 3001 (92%) received a recommended therapy. Nonrecommended therapies were documented in 8% of cases. Providers diagnosing 2 or less N. gonorrhoeae cases were more likely to use nonrecommended therapy.