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[Severe pneumococcal meningitis and ceftriaxone allergy].
S Mérat1, J M Rousseau, M Lerecouvreux
1Département d'anesthésie-réanimation, hôpital d'instruction des armées du Val de Grâce, 74, boulevard de Port Royal, 75005, Paris, France. schmart@free.fr
Annales Francaises D'Anesthesie Et De Reanimation
|May 30, 2002
Summary
A patient with penicillin allergy developed a ceftriaxone allergy during Streptococcus pneumoniae meningitis treatment. This necessitated altering the antibiotic regimen due to potential cephalosporin cross-reactivity.
Area of Science:
- Clinical Medicine
- Infectious Diseases
- Pharmacology
Background:
- Streptococcus pneumoniae meningitis is a serious infection often treated with vancomycin and cephalosporins.
- Penicillin allergies are common and can complicate treatment choices for bacterial meningitis.
Observation:
- A 51-year-old male with a known amoxicillin/clavulanic acid allergy presented with Streptococcus pneumoniae meningitis.
- Initial treatment involved ceftriaxone, a third-generation cephalosporin, alongside other antibiotics.
Findings:
- The patient developed a skin reaction six days into ceftriaxone treatment.
- Specific IgE testing confirmed an allergy to ceftriaxone.
- This indicated a potential cross-allergy between penicillin and cephalosporins.
Implications:
- This case highlights the risk of cephalosporin allergy in patients with penicillin hypersensitivity.
- Treatment guidelines for Streptococcus pneumoniae meningitis may need to consider antibiotic cross-reactivity.
- Careful antibiotic selection is crucial in patients with a history of drug allergies.