Medical 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.Last Editorial Review: 6/9/2016
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?
Use the pill finder tool on RxList.