A 32-year-old man presents with acute urethritis: dysuria, urethral discharge, and urinary frequency for 3 days. Gram stain of urethral exudate shows intracellular gram-negative diplococci within polymorphonuclear leukocytes. He reports unprotected intercourse 5 days ago. What is the most appropriate next step in management?

Explanation

## Clinical Presentation and Diagnosis This patient presents with acute gonococcal urethritis: dysuria, urethral discharge, and recent unprotected sexual contact. The Gram stain showing intracellular gram-negative diplococci within PMNs is pathognomonic for *Neisseria gonorrhoeae*. **Key Point:** Gram stain is highly sensitive (>95%) and specific (>99%) for gonococcal urethritis in symptomatic men. Treatment should be initiated immediately based on Gram stain findings; confirmatory culture is not required before therapy. ## Rationale for Correct Answer **High-Yield:** Current WHO and CDC guidelines (2023) recommend: - **Ceftriaxone 500 mg IM single dose** — first-line for gonorrhea; achieves high bactericidal levels - **Azithromycin 1 g oral single dose** — added to cover concurrent *Chlamydia trachomatis* (which co-infects 30–40% of gonococcal cases) This combination therapy is given immediately without awaiting culture results because: 1. Gram stain is diagnostic in symptomatic men 2. Dual therapy prevents resistance emergence and covers coinfection 3. Delays in treatment increase risk of complications (epididymitis, PID in partners, disseminated gonococcal infection) **Clinical Pearl:** *Neisseria gonorrhoeae* has developed widespread resistance to fluoroquinolones and penicillins. Cephalosporins are now the only reliable oral/parenteral options. Fluoroquinolones are no longer recommended. **Mnemonic: CAN for gonorrhea** — **C**eftriaxone, **A**zithromycin, **N**o waiting (treat immediately on Gram stain). ## Why Each Distractor Is Wrong | Option | Reason | |--------|--------| | NAAT before treatment | NAAT is more sensitive than Gram stain for asymptomatic infection and for *C. trachomatis*, but in symptomatic men with positive Gram stain, treatment should not be delayed for NAAT confirmation. | | Culture on Thayer-Martin medium | Culture takes 48–72 hours and is unnecessary when Gram stain is diagnostic. Delaying treatment increases complications and ongoing transmission. Culture is reserved for antimicrobial susceptibility testing or medicolegal cases. | | Fluoroquinolone monotherapy | Fluoroquinolones (ciprofloxacin, ofloxacin) are no longer recommended due to widespread resistance (>50% in many regions). They are contraindicated and ineffective. Monotherapy also fails to cover coinfecting *C. trachomatis*. |