Related Experiment Video
Updated: Jul 9, 2026

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
Published on: November 5, 2019
[Arthralgia and urticaria as immune-complex mediated complications after meningitis with meningococci group B]
N A M M Maaijwee1, S T H van Daalen
1Streekziekenhuis Koningin Beatrix, afd. Kindergeneeskunde, Beatrix-park 1, 7101 BN Winterswijk.
Abstract:
A 4-year-old boy was treated for an infection with a meningococcus type B. After a few days of recovery, he felt ill again on day 6. The patient had urticaria and arthralgia without arthritis. The infection parameters did not normalize or increase in severity. No abnormalities other than a lowered CH50 value were found in the extensive diagnostic tests performed. The diagnosis of immune-complex mediated complications following a meningococcal infection was made. The patient was sent home where he continued pain relief and physiotherapy treatment. After 2 months at outpatient follow-up, he showed complete recovery and the CH50 value had returned to normal. Other immune-complex mediated complications of meningococcal infection are arthritis, episcleritis, pericarditis, myocarditis and pleuritis. These occur in 6-15% of the patients with a meningococcal infection. Early recognition prevents unnecessary extensive and costly diagnostic testing as well as a longer than necessary hospital stay.
Insights
A child developed immune-complex mediated complications after meningococcal B infection, presenting with urticaria and arthralgia. Prompt diagnosis and management led to full recovery, highlighting the importance of recognizing these post-infectious sequelae.
Area of Science:
- Pediatrics
- Infectious Diseases
- Immunology
Background:
- Meningococcal infections, particularly those caused by Neisseria meningitidis serogroup B, can lead to various complications.
- Immune-complex mediated diseases are a recognized, albeit less common, sequela of bacterial infections.
Observation:
- A 4-year-old boy presented with recurrent illness, urticaria, and arthralgia following treatment for meningococcal B infection.
- Initial diagnostic tests revealed no significant abnormalities except for a decreased CH50 level, indicating complement system dysfunction.
Findings:
- The patient was diagnosed with immune-complex mediated complications post-meningococcal infection.
- Treatment focused on symptom management, and the patient achieved complete recovery within two months, with normalization of CH50 levels.
Implications:
- Early recognition of immune-complex mediated complications following meningococcal infections is crucial.
- Timely diagnosis can prevent extensive, costly investigations and reduce prolonged hospital stays.
- Understanding these complications, which occur in 6-15% of cases, aids in better patient management and outcomes.
Related Concept Videos
Hypersensitivity Reactions: Immune-Complex Reactions
Bacterial Meningitis I: Introduction
Bacterial Meningitis
Bacterial Meningitis II: Pathophysiology
Cryptococcal Meningitis
Rheumatic Heart Disease I: Introduction