Johns Hopkins ABX Guide
Mastoiditis
PATHOGENS
Acute mastoiditis: typical pathogens
- Streptococcus pneumoniae
- Haemophilus influenzae
- Moraxella catarrhalis
- Staphylococcus aureus
- Streptococcus pyogenes (GAS)
- Pseudomonas aeruginosa
Chronic mastoiditis is usually associated with recurrent or chronic otitis media (and prior antibiotic use), and some likely pathogens are encountered.
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Last updated: June 11, 2025
Citation
Fabre, Valeria. "Mastoiditis." Johns Hopkins ABX Guide, The Johns Hopkins University, 2025. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540334/all/Mastoiditis.
Fabre V. Mastoiditis. Johns Hopkins ABX Guide. The Johns Hopkins University; 2025. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540334/all/Mastoiditis. Accessed July 27, 2025.
Fabre, V. (2025). Mastoiditis. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540334/all/Mastoiditis
Fabre V. Mastoiditis [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2025. [cited 2025 July 27]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540334/all/Mastoiditis.
* Article titles in AMA citation format should be in sentence-case
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T1 - Mastoiditis
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BT - Johns Hopkins ABX Guide
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PB - The Johns Hopkins University
DB - Pediatrics Central
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