Johns Hopkins ABX Guide
Pneumonia, Aspiration
PATHOGENS
If an infection develops after aspiration, oral flora (including streptococcal species) is a consideration. For hospitalized or recently antibiotic-treated people, add Gram negatives to the consideration.
- Anaerobic bacteria: B. melaninogenicus, Fusobacterium nucleatum, Peptostreptococcus, and others
- Hospital-acquired bacteria: Staphylococcus aureus, Streptococcus species and Gram-negative bacilli
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Last updated: March 18, 2023
Citation
Fabre, Valeria. "Pneumonia, Aspiration." Johns Hopkins ABX Guide, The Johns Hopkins University, 2023. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540441/0/Pneumonia_Aspiration.
Fabre V. Pneumonia, Aspiration. Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540441/0/Pneumonia_Aspiration. Accessed July 21, 2025.
Fabre, V. (2023). Pneumonia, Aspiration. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540441/0/Pneumonia_Aspiration
Fabre V. Pneumonia, Aspiration [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. [cited 2025 July 21]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540441/0/Pneumonia_Aspiration.
* Article titles in AMA citation format should be in sentence-case
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