• Abrupt-onset, purulent urethral discharge and dysuria are more common with Neisseria gonorrhoeae than with Chlamydia trachomatis and other nongonococcal urethritis (NGU) pathogens• Mucopurulent or purulent urethral discharge and dysuria, which can occur with any pathogen, often impede clinical distinction• Gram stain of urethral discharge shows >5 leukocytes per high-power field (HPF)...