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Neisseria gonorrhoeae

Neisseria gonorrhoeae

• Neisseria gonorrhoeae, treatment

• 1. Gonococcal infections in adolescents and adults

• 1.1 Uncomplicated gonococcal infections of the cervix, urethra, and rectum

• Preferred regimen: Ceftriaxone 250 mg IM in a single dose AND Azithromycin 1 g PO in a single dose
• Alternative regimen: Cefixime 400 mg PO in a single dose AND Azithromycin 1 g PO in a single dose (if ceftriaxone is not available)

• 1.2 Uncomplicated gonococcal infections of the pharynx

• Preferred regimen: Ceftriaxone 250 mg IM in a single dose AND Azithromycin 1 g PO in a single dose

• 1.2.1 Management of sex partners

• Expedited partner therapy: Cefixime 400 mg PO in a single dose AND Azithromycin 1 g PO in a single dose
• Recent sex partners (i.e., persons having sexual contact with the infected patient within the 60 days preceding onset of symptoms or gonorrhea diagnosis) should be referred for evaluation, testing, and presumptive dual treatment.
• If the patient’s last potential sexual exposure was >60 days before onset of symptoms or diagnosis, the most recent sex partner should be treated.
• To avoid reinfection, sex partners should be instructed to abstain from unprotected sexual intercourse for 7 days after they and their sexual partner(s) have completed treatment and after resolution of symptoms, if present.

• 1.2.2 Allergy, intolerance, and adverse reactions

• Preferred regimen (1): Gemifloxacin 320 mg PO in a single dose AND Azithromycin 2 g PO in a single dose
• Preferred regimen (2): Gentamicin 240 mg IM in a single dose AND Azithromycin 2 g PO in a single dose

Note: Use of ceftriaxone or cefixime is contraindicated in persons with a history of an IgE-mediated penicillin allergy (e.g., anaphylaxis, Stevens Johnson syndrome, and toxic epidermal necrolysis).

• 1.2.3 Pregnancy

• Preferred regimen: Ceftriaxone 250 mg IM in a single dose AND Azithromycin 1 g PO in a single dose

• 1.2.4 Suspected cephalosporin treatment failure

• Preferred regimen: Ceftriaxone 250 mg IM in a single dose AND Azithromycin 1 g PO in a single dose
• Alternative regimen (1): Gemifloxacin 320 mg PO single dose AND Azithromycin 2 g PO single dose (when isolates have elevated cephalosporin MICs)
• Alternative regimen (2): Gentamicin 240 mg IM single dose AND Azithromycin 2 g PO single dose (when isolates have elevated cephalosporin MICs)
• Alternative regimen (3): Ceftriaxone 250 mg IM as a single dose AND Azithromycin 2 g PO as a single dose (failure after treatment with cefixime and azithromycin)

Note: Treatment failure should be considered in: (1) persons whose symptoms do not resolve within 3–5 days after appropriate treatment and report no sexual contact during the post-treatment follow-up period; (2) persons with a positive test-of-cure (i.e., positive culture ≥ 72 hours or positive NAAT ≥ 7 days after receiving recommended treatment) when no sexual contact is reported during the post-treatment follow-up period; (3) persons who have a positive culture on test-of-cure (if obtained) if there is evidence of decreased susceptibility to cephalosporins on antimicrobial susceptibility testing, regardless of whether sexual contact is reported during the post-treatment follow-up period.

• 1.3 Gonococcal conjunctivitis

• Preferred regimen: Ceftriaxone 250 mg IM in a single dose AND Azithromycin 1 g PO in a single dose

Note: Consider one-time lavage of the infected eye with saline solution.

• 1.3.1 Management of sex partners

• Patients should be instructed to refer their sex partners for evaluation and treatment.

• 1.4 Disseminated gonococcal infection

• 1.4.1 Arthritis and arthritis-dermatitis syndrome

• Preferred regimen: Ceftriaxone 1 g IM/IV q24h for 7 days AND Azithromycin 1 g PO in a single dose
• Alternative regimen: Cefotaxime 1 g IV q8h for 7 days OR Ceftizoxime 1 g IV q 8 h for 7 days AND Azithromycin 1 g PO in a single dose

• 1.4.2 Gonococcal meningitis and endocarditis

• Preferred regimen : Ceftriaxone 1-2 g IV q 12-24 h for 10-14 days AND Azithromycin 1 g PO in a single dose

• 2. Gonococcal infections among neonates

• 2.1 Ophthalmia neonatorum caused by N. gonorrhoeae

• Preferred regimen: Ceftriaxone 25-50 mg/kg IV or IM in a single dose, not to exceed 125 mg

• 2.1.1 Management of mothers and their sex partners

• Mothers of infants with ophthalmia neonatorum caused by N. gonorrhoeae should be evaluated, tested, and presumptively treated for gonorrhea, along with their sex partner(s).

• 2.2 Disseminated gonococcal infection and gonococcal scalp abscesses in neonates

• Preferred regimen: Ceftriaxone 25-50 mg/kg/day IM/IV qd for 7 days OR Cefotaxime 25 mg/kg IV /IM q12h for 7 days.

Note (1): The duration of treatment is 10-14 days if meningitis is documented.

Note (2): Ceftriaxone should be administered cautiously to hyperbilirubinemic infants, especially those born prematurely.

• 2.2.1 Management of mothers and their sex partners

• Mothers of infants who have DGI or scalp abscesses caused by N. gonorrhoeae should be evaluated, tested, and presumptively treated for gonorrhea, along with their sex partner(s).

• 2.3 Neonates born to mothers who have gonococcal infection

• Preferred regimen: Ceftriaxone 25-50 mg/kg IM/IV in a single dose, not to exceed 125 mg

• 2.3.1 Management of mothers and their sex partners

• Mothers who have gonorrhea and their sex partners should be evaluated, tested, and presumptively treated for gonorrhea.

• 3. Gonococcal infections among infants and children

• 3.1 Infants and children who weigh ≤ 45 kg and who have uncomplicated gonococcal vulvovaginitis, cervicitis, urethritis, pharyngitis, or proctitis

• Preferred regimen: Ceftriaxone 25-50 mg/kg IM/IV in a single dose, not to exceed 125 mg

• 3.2 Children who weigh > 45 kg and who have uncomplicated gonococcal vulvovaginitis, cervicitis, urethritis, pharyngitis, or proctitis

• Preferred regimen: Ceftriaxone 250 mg IM in a single dose AND Azithromycin 1g PO in a single dose
• Alternative regimen: Cefixime 400 mg PO single dose AND Azithromycin 1 g PO single dose.(If ceftriaxone is not available)

• 3.3 Children who weigh ≤ 45 kg and who have bacteremia or arthritis

• Preferred regimen: Ceftriaxone 50 mg/kg (maximum dose: 1 g) IM/IV q24h for 7 days

• 3.4 Children who weigh > 45 kg and who have bacteremia or arthritis

• Preferred regimen: Ceftriaxone 1 g IM/IV q24h for 7 days

• Neisseria gonorrhoeae, prophylaxis

• 1. Ophthalmia neonatorum

• Preferred regimen: Erythromycin 0.5% ophthalmic ointment in each eye in a single application at birth
• Alternative regimen: Ceftriaxone 25–50 mg/kg IV/IM in a single dose, not to exceed 125 mg (if erythromycin ointment is not available)