Plesiomonas shigelloides: Difference between revisions
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Plesiomonas shigelloides
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== Background == |
== Background == |
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* [[Stain::Gram-negative]] [[ |
* [[Stain::Gram-negative]] [[Shape::bacillus]] in the [[Family::Enterobacteriaceae|Enterobacteriaceae]] |
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* Most commonly thought to be contracted by ingestion of undercooked, contaminated seafood, but may be a member of normal gut flora |
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** Can also occur after water exposures, including natural disasters |
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== Clinical Manifestations == |
== Clinical Manifestations == |
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* May be present in healthy individuals' stool |
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* Contracted by ingestion of undercooked, contaminated seafood |
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* |
* Incubation period less than 48 hours, followed by [[Causes::gastroenteritis]] with nausea, vomiting, diarrhea (at times bloody), and fevers[[CiteRef::janda2016pl]] |
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* Usually self-limited but can last up to 4 weeks |
* Usually self-limited to a few days but can last up to 4 weeks |
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* Rare reports of bacteremia, as well as soft tissue infections, CNS infections (particularly in newborns), bone and joint infections, endophthalmitis, and pneumonia (particularly with near-drowning) |
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== Management == |
== Management == |
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* Generally self-limited diarrheal illness that is treated supportively |
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* Supportive care |
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* For infections that require treatment: |
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* Can use [[Is treated by::fluoroquinolones]], [[Is treated by::azithromycin]], or [[Is treated by::amoxicillin-clavulanic acid]] for 3 to 5 days if mild |
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* Can use [[Is treated by:: |
** Can use [[Is treated by::fluoroquinolones]], [[Is treated by::azithromycin]], or [[Is treated by::amoxicillin-clavulanic acid]] for 3 to 5 days if mild |
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** Can use [[Is treated by::ceftriaxone]] or [[Is treated by::carbapenems]] if severe |
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[[Category:Gram-negative bacilli]] |
[[Category:Gram-negative bacilli]] |
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Latest revision as of 19:54, 3 October 2025
Background
- Gram-negative bacillus in the Enterobacteriaceae
- Most commonly thought to be contracted by ingestion of undercooked, contaminated seafood, but may be a member of normal gut flora
- Can also occur after water exposures, including natural disasters
Clinical Manifestations
- May be present in healthy individuals' stool
- Incubation period less than 48 hours, followed by gastroenteritis with nausea, vomiting, diarrhea (at times bloody), and fevers1
- Usually self-limited to a few days but can last up to 4 weeks
- Rare reports of bacteremia, as well as soft tissue infections, CNS infections (particularly in newborns), bone and joint infections, endophthalmitis, and pneumonia (particularly with near-drowning)
Management
- Generally self-limited diarrheal illness that is treated supportively
- For infections that require treatment:
- Can use fluoroquinolones, azithromycin, or amoxicillin-clavulanic acid for 3 to 5 days if mild
- Can use ceftriaxone or carbapenems if severe
References
- ^ J. Michael Janda, Sharon L. Abbott, Christopher J. McIver. Plesiomonas shigelloides Revisited. Clinical Microbiology Reviews. 2016;29(2):349-374. doi:10.1128/cmr.00103-15.
