Examkin

Question

Difficulty: MediumGynecologic Infections

A 24-year-old woman returns to the clinic to review laboratory results. Three days ago, she presented with new-onset dyspareunia and an increased yellowish vaginal discharge. At that time, her temperature was 37.1°C (98.8°F), blood pressure was 112/70 mm Hg, and pulse was 76/min. Pelvic examination revealed a markedly friable cervix with mucopurulent exudate, but no cervical motion or adnexal tenderness. A cervical swab was sent for testing, and the patient opted to defer empiric antibiotic therapy until a definitive diagnosis was made. Today, her nucleic acid amplification test (NAAT) results return positive for *Neisseria gonorrhoeae* and negative for *Chlamydia trachomatis*. Her medical history is significant for a severe allergic reaction to ceftriaxone, characterized by hypotension and respiratory distress requiring epinephrine. Based on current guidelines, which of the following is the most appropriate pharmacotherapy for this patient?

  1. Intramuscular gentamicin and oral azithromycinAnswer
  2. B
    Intramuscular ceftriaxone and oral doxycycline
  3. C
    Oral azithromycin monotherapy
  4. D
    Oral ciprofloxacin
  5. E
    Oral doxycycline monotherapy

Answer

Intramuscular gentamicin and oral azithromycin
The patient has isolated gonococcal cervicitis, as confirmed by NAAT. The standard recommended treatment for uncomplicated *Neisseria gonorrhoeae* infection is a single dose of intramuscular ceftriaxone. However, this patient has a history of anaphylaxis to ceftriaxone, making it strictly contraindicated. According to current Centers for Disease Control and Prevention (CDC) guidelines, the preferred alternative regimen for patients with a severe cephalosporin (or severe penicillin) allergy is a single dose of intramuscular gentamicin (240 mg) combined with a single large dose of oral azithromycin (2 g). This specific dual regimen effectively eradicates the gonococcal infection while completely circumventing the cephalosporin allergy.

Step-by-Step Solution

1
Analyze the patient's diagnostic results.
The NAAT is positive for Neisseria gonorrhoeae and negative for Chlamydia trachomatis.
This confirms a diagnosis of isolated gonococcal cervicitis, requiring targeted pathogen-specific therapy rather than empiric broad-spectrum coverage.
2
Evaluate the patient's medical history for contraindications.
The patient has a documented anaphylactic reaction to ceftriaxone.
Ceftriaxone, the standard first-line treatment for gonorrhea, is strictly contraindicated due to the risk of a life-threatening allergic response.
3
Determine the appropriate alternative pharmacotherapy.
Current guidelines recommend a single dose of intramuscular gentamicin combined with a single dose of oral azithromycin.
This alternative dual-drug regimen effectively treats the infection while circumventing the cephalosporin allergy and minimizing the risk of developing further antibiotic resistance.

Key Concept

Treatment of uncomplicated gonococcal cervicitis in patients with a severe cephalosporin allergy requires an alternative regimen of intramuscular gentamicin combined with oral azithromycin.
Rate this question

Topics

Gynecologic Infections

More questions from this topic