Streptococcus iniae infections

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Streptococcus iniae infections
Tsukiji fish market thuna knife.jpg
SpecialtyInfectious diseases
SymptomsFever, cellulitis and lymphangitis[1]
CausesStreptococcus iniae[1]
Risk factorsElderly, Asian[2]
MedicationPenicillin, ampicillin, amoxicillin, cloxacillin, cefazolin, gentamicin, doxycycline, trimethoprim/sulfamethoxazole (1 to several weeks)[2]

Streptococcus iniae infections are typically a cellulitis of the hands of a person preparing freshly killed fish.[1] It presents with fever, cellulitis and lymphangitis within 24 hours of being infected.[1] There are generally no blisters or skin necrosis.[1]

It is caused by the bacteria Streptococcus iniae.[1] Treatment is with antibiotics, sometimes required for several weeks.[1] These include penicillin, ampicillin, amoxicillin, cloxacillin, cefazolin, gentamicin, doxycycline, and trimethoprim/sulfamethoxazole.[2]

Affected people tend to be elderly and of Asian descent.[2] It was first reported in 1996.[2]


  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "14. Bacterial infections". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Edinburgh: Elsevier. p. 263. ISBN 978-0-323-54753-6. Archived from the original on 2022-12-13. Retrieved 2022-12-13.
  2. 2.0 2.1 2.2 2.3 2.4 Baiano, Justice C. F.; Barnes, Andrew C. (December 2009). "Towards control of Streptococcus iniae". Emerging Infectious Diseases. 15 (12): 1891–1896. doi:10.3201/eid1512.090232. ISSN 1080-6059. PMID 19961667. Archived from the original on 2022-06-17. Retrieved 2022-12-13.