November 26, 2015
font size

Definition of Meningococcal infection

Meningococcal infection: Infection with the bacterium Neisseria meningitidis. (Neisseria was formerly called Meningococcus and the term "meningococcal" is still entrenched.)

Persons with a meningococcal infection may have any of several acute illnesses, including:

  • meningitis and sepsis (blood infection),
  • meningitis in the absence of sepsis,
  • sepsis in the absence of meningitis,
  • a predominantly cutaneous (skin) condition called purpura fulminans, or
  • some combination of these conditions.
Other illnesses that can occur from meningococcal infection in the absence of sepsis include pharyngitis (throat infection), conjunctivitis (eye infection), pneumonia, and arthritis.

See also: Meningococcal meningitis; Meningococcal vaccine; Meningococcemia; Meningococcus.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 10/9/2012

Drug Medical Dictionary of Terms by Letter

Top RxList Drug News

WebMD Daily

Get breaking medical news.

Use Pill Finder Find it Now See Interactions

Pill Identifier on RxList

  • quick, easy,
    pill identification

Find a Local Pharmacy

  • including 24 hour, pharmacies

Interaction Checker

  • Check potential drug interactions
Search the Medical Dictionary for Health Definitions & Medical Abbreviations