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Acute urethritis due to Neisseria meningitidis group A acquired by orogenital contact: case report

A P Wilson1, J Wolff, W Atia

  • 1Department of Microbiology, Whittington Hospital, London.

Insights

Neisseria meningitidis can spread heterosexually through oral sex, causing urethritis. Early diagnosis is crucial to prevent misdiagnosis and treat sexual contacts, even if asymptomatic.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Sexual Health

Background:

  • Neisseria meningitidis is a bacterium primarily known for causing meningitis.
  • Sexual transmission of Neisseria meningitidis is uncommon but possible.
  • Urethritis is an inflammation of the urethra, often caused by sexually transmitted infections.

Observation:

  • A case of heterosexual transmission of Neisseria meningitidis group A was observed.
  • Transmission occurred via fellatio (oral sex).
  • The male partner developed acute purulent urethritis.

Findings:

  • This case demonstrates Neisseria meningitidis group A can be sexually transmitted.
  • The infection presented as acute purulent urethritis in the male recipient.
  • Mistaken diagnosis as gonococcal infection can occur.

Implications:

  • Highlights the importance of considering Neisseria meningitidis in cases of urethritis, especially with a history of oral sex.
  • Emphasizes the need for early and accurate diagnosis to avoid emotional distress from misdiagnosis.
  • Underscores the necessity of treating asymptomatic throat carriage in sexual contacts to prevent further spread.

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