Johns Hopkins HIV Guide
Folliculitis
PATHOGENS
- Common pathogens:
- S. aureus: especially MRSA
- P. aeruginosa: associated with whirlpools, hot tubs, heated swimming pool exposures
- Pityrosporum: HIV-associated
- Less common pathogens:
- Coliforms: e.g., Klebsiella, Proteus spp., etc
- Demodex folliculorum: face mite, mostly HIV-associated
- HSV
- Trichophyton
- Malassezia
- Causes truncal folliculitis.
- Also, non-infectious inflammatory folliculitis in HIV: eosinophilic folliculitis
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Last updated: May 6, 2023
Citation
Auwaerter, Paul G, and Christopher J Hoffmann. "Folliculitis." Johns Hopkins HIV Guide, The Johns Hopkins University, 2023. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545075/all/Folliculitis.
Auwaerter PG, Hoffmann CJ. Folliculitis. Johns Hopkins HIV Guide. The Johns Hopkins University; 2023. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545075/all/Folliculitis. Accessed October 30, 2025.
Auwaerter, P. G., & Hoffmann, C. J. (2023). Folliculitis. In Johns Hopkins HIV Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545075/all/Folliculitis
Auwaerter PG, Hoffmann CJ. Folliculitis [Internet]. In: Johns Hopkins HIV Guide. The Johns Hopkins University; 2023. [cited 2025 October 30]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545075/all/Folliculitis.
* Article titles in AMA citation format should be in sentence-case
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BT - Johns Hopkins HIV Guide
UR - https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545075/all/Folliculitis
PB - The Johns Hopkins University
DB - Johns Hopkins Guides
DP - Unbound Medicine
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