{{cs1 config|name-list-style=vanc}} {{Infobox medical condition (new) | name = Erysipeloid | image = Diseases of Swine 31-1.png | caption = Cellular and colonial morphology of ''[[Erysipelothrix rhusiopathiae]]'' | pronounce = | field = | synonyms = | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = gram staining or blood Agar culture | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }} In humans, ''[[Erysipelothrix rhusiopathiae]]'' infections most commonly present in a mild [[cutaneous]] form known as '''erysipeloid'''<ref name=Brooke_1999>{{cite journal |doi=10.1099/00222615-48-9-789 |vauthors=Brooke C, Riley T |title=Erysipelothrix rhusiopat: bacteriology, epidemiology and clinical manifestations of an occupational pathogen |journal=J Med Microbiol |volume=48 |issue=9 |pages=789–99 |year=1999 |pmid=10482289|doi-access=free }}</ref> or '''fish poisoning'''.<ref>{{cite web|url=http://www.dft.gov.uk/mca/mcga-shs_capt_guide_chap8.pdf|page=190|title=THE SHIP CAPTAIN'S MEDICAL GUIDE}}</ref> ''E. rhusiopathiae'' can cause an indolent [[cellulitis]], more commonly in individuals who handle fish and raw meat.<ref name=Lehane_2000>{{cite journal |vauthors=Lehane L, Rawlin G |title=Topically acquired bacterial zoonoses from fish: a review |journal=Med J Aust |volume=173 |issue=5 |pages=256–9 |year=2000 |pmid=11130351|doi=10.5694/j.1326-5377.2000.tb125632.x |s2cid=25479478 }}</ref> ''Erysipelothrix rhusiopathiae'' also causes Swine Erysipelas. It is common in domestic pigs and can be transmitted to humans who work with swine. It gains entry typically by abrasions in the hand. [[Bacteremia]] and [[endocarditis]] are uncommon but serious sequelae.<ref name=Brouqui_2001>{{cite journal |vauthors=Brouqui P, Raoult D |title=Endocarditis due to rare and fastidious bacteria |journal=Clin Microbiol Rev |volume=14 |issue=1 |pages=177–207 |year=2001 |pmid=11148009 |doi=10.1128/CMR.14.1.177-207.2001 |pmc=88969}}</ref><ref name=Nassar_2005>{{cite journal |vauthors=Nassar I, de la Llana R, Garrido P, Martinez-Sanz R |title=Mitro-aortic infective endocarditis produced by ''Erysipelothrix rhusiopathiae'': case report and review of the literature |journal=J Heart Valve Dis |volume=14 |issue=3 |pages=320–4 |year=2005 |pmid=15974525}}</ref> Due to the rarity of reported human cases, ''E. rhusiopathiae'' infections are frequently misidentified at presentation.<ref name=Brooke_1999 />

==Diagnosis== Violaceous swelling with severe pain but without pus (Which differentiates from pus forming streptococcal and staphylococcal erysipelas){{citation needed|date=January 2023}}

==Erysipeloid of Rosenbach== '''Erysipeloid of Rosenbach''' is a cutaneous condition most frequently characterized by a purplish marginated swelling on the hands.<ref name="Andrews">{{cite book |author1=James, William D. |author2=Berger, Timothy G. |title=Andrews' Diseases of the Skin: clinical Dermatology |publisher=Saunders Elsevier |year=2006 |isbn=0-7216-2921-0 |display-authors=etal}}</ref>{{rp|264}} The eponym Rosenbach's disease is in reference to the milder type of the condition and is named after [[Friedrich Julius Rosenbach]].<ref>{{WhoNamedIt|synd|1267|Rosenbach's disease}}</ref> Early work on the condition in US fishermen was carried out by Klaunders and colleagues.<ref>{{cite journal |last1=Klauder |first1=Joseph V. |last2=Righter |first2=Linwood L. |last3=Harkins |first3=Malcolm J. |title=A distinctive and severe form of erysipeloid among fish handlers |journal=Archives of Dermatology and Syphilology |date=1926 |volume=14 |issue=6 |pages=662–678|doi=10.1001/archderm.1926.02370240029003 }}</ref>

==Treatment== The treatment of choice is a single dose of [[Penicillin#Benzathine|benzathine benzylpenicillin]] given by [[intramuscular injection]], or a five-day to one-week course of either [[penicillin#Phenoxymethylpenicillin/penicillin V|oral penicillin]] or intramuscular [[procaine benzylpenicillin]].<ref name=POC-IT>{{cite web |url=http://prod.hopkins-abxguide.org/pathogens/bacteria/aerobic_gram_positive_bacillus/erysipelothrix_rhusiopathiae.html |title=''Erysipelothrix rhusiopathiae'' |author=Vinetz J |date=October 4, 2007 |work=Point-of-Care Information Technology ABX Guide |publisher=[[Johns Hopkins University]] |access-date=March 10, 2009 |archive-url=https://web.archive.org/web/20080607033900/http://prod.hopkins-abxguide.org/pathogens/bacteria/aerobic_gram_positive_bacillus/erysipelothrix_rhusiopathiae.html |archive-date=June 7, 2008 |url-status=dead }} Retrieved on October 28, 2008. Freely available with registration.</ref> [[Erythromycin]] or [[doxycycline]] may be given instead to people who are allergic to penicillin. ''E. rhusiopathiae'' is intrinsically [[antibiotic resistance|resistant]] to [[vancomycin]].<ref name=POC-IT/>

==References== {{reflist}}

== External links == {{Medical resources | DiseasesDB = 4432 | ICD11 = {{ICD11|1B96}} | ICD10 = {{ICD10|A|26||a|20}} | ICD9 = {{ICD9|027.1}} | ICDO = | OMIM = | MedlinePlus = 000632 | eMedicineSubj = derm | eMedicineTopic = 602 | MeshID = D004887 }} {{Gram-positive bacterial diseases}} {{Cutaneous infections}} {{Bacterial cutaneous infections}}

[[Category:Bacterium-related cutaneous conditions]] [[Category:Zoonotic bacterial diseases]] [[Category:Zoonoses]]