Cat scratch disease (CSD), also known as cat scratch fever or subacute regional lymphadenitis, is a bacterial infection affecting lymph nodes ...ForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoDecisionPointEdition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSLogInSignUpIt'sFree!Edition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSRegisterLogInNoResultsNoResultsForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoDecisionPointclosePleaseconfirmthatyouwouldliketologoutofMedscape.Ifyoulogout,youwillberequiredtoenteryourusernameandpasswordthenexttimeyouvisit.LogoutCancelhttps://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly9lbWVkaWNpbmUubWVkc2NhcGUuY29tL2FydGljbGUvMjE0MTAwLW92ZXJ2aWV3processing....Drugs&Diseases>InfectiousDiseasesCatScratchDisease(CatScratchFever)Updated:Feb16,2021Author:RobertASchwartz,MD,MPH;ChiefEditor:MichaelStuartBronze,MD more...ShareEmailPrintFeedbackCloseFacebookTwitterLinkedInGoogle+SectionsCatScratchDisease(CatScratchFever)SectionsCatScratchDisease(CatScratchFever)OverviewBackgroundPathophysiologyEtiologyEpidemiologyPrognosisPatientEducationShowAllPresentationHistoryPhysicalExaminationAtypicalCatScratchDiseaseImmunocompromisedPatientsShowAllDDxWorkupApproachConsiderationsSerologicTestingBiopsySkinTestingComputedTomographyHistologicFindingsShowAllTreatmentApproachConsiderationsAntibioticTreatmentTreatmentofLymphNodeSuppurationFollow-upDeterrence/PreventionConsultationsShowAllMedicationMedicationSummaryAntibioticsShowAllQuestions&AnswersMediaGalleryTablesReferencesOverviewBackgroundCatscratchdisease(CSD),alsoknownascatscratchfeverorsubacuteregionallymphadenitis,isabacterialinfectionaffectinglymphnodesthatdrainthesitesofinoculation.Bartonellahenselae,agram-negativerod,isconsideredtheprincipaletiologicagent.[1,2]CSDisoneofthemostcommoncausesofchroniclymphadenopathyinchildrenandadolescents.PatientswithCSDusuallyhaveahistoryofsustainingascratchorbitefromacat(typicallyakitten).Theinitialsymptomi

Cat Scratch Disease ... Cat scratch disease is a bacterial infection that a person can get after being scratched, licked, or bitten by a cat or kitten. In the United States, ...[SkiptoContent]SharetoFacebookSharetoTwitterSharetoPinterestShareviaEmailKidsHealth/forParents/CatScratchDiseaseCatScratchDiseaseReviewedby:RalucaPapadopol,MDLargertextsizeLargetextsizeRegulartextsizePrintCatscratchdiseaseis abacterialinfectionthatapersoncangetafterbeing scratched,licked,orbittenbyacatorkitten.IntheUnitedStates,mostcaseshappeninthefallandwinterandusuallyaffectkids,probablybecausethey'remorelikelytoplaywithcatsandbebittenorscratched.Bartonellahenselae,thebacteriathatcausethisdisease,liveininfectedcats'salivabutdon'tmaketheanimalssick. Infact,kittensorcatsmaycarrythebacteriaformonths.Fleasspreadthebacteriabetweencats.Signs&SymptomsThefirstsignofthisinfectionisablisterorasmallbumpthatdevelopsseveraldaysafterthescratchorbiteandmayresembleabugbite.Thisblisterorbumpiscalledaninoculationlesion(awoundatthesitewherethebacteriaenterthebody).Lesionsaremostcommonlyfoundonthearmsandhands,head,orscalpandusuallyarenotpainful.Withinacoupleofweeksofascratchorbite,oneormorelymphnodesclosetotheareaoftheinoculationlesionwillswellandbecometender.(Lymphnodesareroundoroval-shapedorgansoftheimmunesystemthatareoftencalledglands.)Forexample,iftheinoculationlesionisonthearm,thelymphnodesintheelboworarmpitwillswell.Theseswollenlymphnodesappearmostoftenintheunderarmorneckareas,althoughiftheinoculationlesionisontheleg,thenodesinthegroinwillbeaffected.Theyrangeinsizefromabout½inchto2inchesindiameterandmaybesurroundedbyalargerareaofswellingundertheskin.Theskinovertheseswollenlymphnodescanbecomewarmandred.Inmostkids,swollenlymphnodesarethemainsymptomofthedisease,andtheillnessoftenismild.Ifkidshaveothergeneralsymptoms,theymightincludefever(usuallylessthan101°For38.3°C),fatigue,lossofappetite,headache,rash,sorethroat,andanoverallillfeeling.Theswollenlymphnodesusuallydisappearwithin2to4months,althoughsometimesc

CSD is caused by a bacterium called Bartonella henselae. About 40% of cats carry B. henselae at some time in their lives, although most cats with this infection​ ...SkipdirectlytositecontentSkipdirectlytopageoptionsSkipdirectlytoA-ZlinkHealthyPets,HealthyPeopleSectionNavigationCDCHomeFacebookTwitterLinkedInSyndicateCat-ScratchDiseaseMinusRelatedPages(BartonellahenselaeInfection)OverviewPreventionAvailableTests&TreatmentsMoreInformationAnenlargedlymphnodeinthearmpitregionofapersonwithcat-scratchdisease,andpartiallyhealedwoundsfromacatscratchonthehand.Cat-scratchdisease(CSD)isabacterialinfectionspreadbycats.Thediseasespreadswhenaninfectedcatlicksaperson’sopenwound,orbitesorscratchesapersonhardenoughtobreakthesurfaceoftheskin.Aboutthreeto14daysaftertheskinisbroken,amildinfectioncanoccuratthesiteofthescratchorbite.Theinfectedareamayappearswollenandredwithround,raisedlesionsandcanhavepus.ApersonwithCSDmayalsohaveafever,headache,poorappetite,andexhaustion.Later,theperson’slymphnodesneartheoriginalscratchorbitecanbecomeswollen,tender,orpainful.Washcatbitesandscratcheswellwithsoapandrunningwater.Donotallowcatstolickyourwounds.Contactyourdoctorifyoudevelopanysymptomsofcat-scratchdiseaseorinfection.CSDiscausedbyabacteriumcalledBartonellahenselae.About40%ofcatscarryB.henselaeatsometimeintheirlives,althoughmostcatswiththisinfectionshowNOsignsofillness.Kittensyoungerthan1yeararemorelikelytohaveB.henselaeinfectionandtospreadthegermtopeople.Kittensarealsomorelikelytoscratchandbitewhiletheyplayandlearnhowtoattackprey.HowcatsandpeoplebecomeinfectedKittenplayingwithaperson'sfingers.CatscangetinfectedwithB.henselaefromfleabitesandfleadirt(droppings)gettingintotheirwounds.Byscratchingandbitingatthefleas,catspickuptheinfectedfleadirtundertheirnailsandbetweentheirteeth.Catscanalsobecomeinfectedbyfightingwithothercatsthatareinfected.Thegermspreadstopeoplewheninfectedcatsbiteorscratchapersonhardenoughtobreaktheirskin.Thegermcanalsospreadwheninfectedcatslickatwoundsorscabsthatyoumayhave.Ser

Cat-scratch fever is an infection caused by a kind of bacteria called Bartonella henselae (it's also sometimes called Bartonella henselae infection) ...MenuAcneBedbugsColdSoresEczemaFungalInfectionsHairLossHealthyBeautyLicePsoriasisPsoriaticArthritisPoisonIvyRosaceaShinglesSkinCancerMoreRelatedTopicsSkinDiscolorationsChronicSkinConditionsAcuteSkinProblemsSkinInfectionsNewsMedicalReferenceSlideshowsQuizzesQuestions&AnswersFindaDermatologistSkinProblemsandTreatmentsReferenceMenuMedicallyReviewedbyBrunildaNazario, MDonJuly07,2020InthisArticleWhatIsCat-ScratchFever?Cat-ScratchFeverCausesCat-ScratchFeverSymptomsCat-ScratchFeverDiagnosisCat-ScratchFeverTreatmentCat-ScratchFeverPreventionWhatIsCat-ScratchFever?Cat-scratchfeverisaninfectioncausedbyakindofbacteriacalledBartonellahenselae(it's alsosometimescalledBartonellahenselaeinfection).Youcangetitifacatthathasthistypeofbacterialicksanopenwoundonyourskinorbitesorscratchesyou.Cat-scratchfever,alsocalledCat-scratchdisease(CSD), happensmostofteninchildrenandteens. Cat-ScratchFeverCausesAbout40%ofcatsandkittenscarryBartonellahenselaeintheirmouthsorundertheirclaws.Theygetthisbyscratchingorbitingatinfectedfleas.Theycanalsopickitupbyfightingwithothercatsthathaveit.Mostcatsthatareinfecteddon’tshowanysymptoms.Butinseriouscases,theycouldhavetroublebreathingorcomedownwithinfectionsintheirmouth,eyes,orurinarytract.IfacatthathasBartonellahenselaebitesorscratchesyouhardenoughtobreaktheskin,thenthebacteriacangetintoyourbody.Youcanalsogetinfectedifacatlicksasore,wound,orscabthatyouhave.Cat-ScratchFeverSymptomsNoteveryonewho’sbeenlickedorscratchedbyacatneedstogotothedoctor.Ifyou’vebeeninfectedwithCSD,you’llhavesymptoms.Thesedon’thappenrightaway.Mostofthetime,theyappeardaysafteryou’vebeenaroundacat.Thefirstsignisoftenaredbump,sore,orblisteratthesiteofthescratchorbite.Thismaynothurt,butitoftenhasacrustandcouldcontainpus.Withinthenext2weeks--andevenafterthebumphashealed--youcouldhave:Fever(couldbe“lowgrade,”meaninglessthan102F)HeadacheFatigu

Cat-scratch disease is a common infection that usually presents as tender lymphadenopathy. It should be included in the differential diagnosis ...Advertisement<< PreviousarticleNextarticle >>Jan15,2011Issue  Cat-scratchDisease STEPHENA.KLOTZ,MD;VOICHITAIANAS,MD;andSEANP.ELLIOTT,MD,UniversityofArizona,Tucson,ArizonaAmFamPhysician. 2011 Jan 15;83(2):152-155. Patientinformation:Seerelatedhandoutoncat-scratchdisease.AbstractClinicalPresentationDiagnosticTestingTreatmentReferencesArticleSectionsAbstractClinicalPresentationDiagnosticTestingTreatmentReferencesCat-scratchdiseaseisacommoninfectionthatusuallypresentsastenderlymphadenopathy.Itshouldbeincludedinthedifferentialdiagnosisoffeverofunknownoriginandanylymphadenopathysyndrome.Asymptomatic,bacteremiccatswithBartonellahenselaeintheirsalivaserveasvectorsbybitingandclawingtheskin.Catfleasareresponsibleforhorizontaltransmissionofthediseasefromcattocat,andonoccasion,arthropodvectors(fleasorticks)maytransmitthediseasetohumans.Cat-scratchdiseaseiscommonlydiagnosedinchildren,butadultscanpresentwithitaswell.Thecausativemicroorganism,B.henselae,isdifficulttoculture.Diagnosisismostoftenarrivedatbyobtainingahistoryofexposuretocatsandaserologictestwithhightiters(greaterthan1:256)ofimmunoglobulinGantibodytoB.henselae.Mostcasesofcat-scratchdiseaseareself-limitedanddonotrequireantibiotictreatment.Ifanantibioticischosen,azithromycinhasbeenshowninonesmallstudytospeedrecovery.Infrequently,cat-scratchdiseasemaypresentinamoredisseminatedformwithhepatosplenomegalyormeningoencephalitis,orwithbacillaryangiomatosisinpatientswithAIDS.Cat-scratchdisease(CSD)isthemostcommonhumaninfectioncausedbyBartonellaspecies.CSDhasworldwidedistributionandhasbeendescribedinallareasofNorthAmerica.Innortherntemperatezones,itoccursmoreofteninAugustthroughOctober,usuallyinhumid,warmlocales.Thereareanestimated22,000newcasesofCSDperyearintheUnitedStates.1BartonellahenselaeisthemicroorganismresponsibleforCSD.Itisfoundinfelineerythrocytesandfleas,whichcancontaminatesa

Cat scratch fever, also called cat scratch disease (CSD), is a bacterial infection. The disease gets its name because people contract it from cats infected with ...CatScratchFeverMedicallyreviewedbyDanielMurrell,M.D.—WrittenbytheHealthlineEditorialTeam—UpdatedonFebruary1,2019CausesRiskfactorsSymptomsincatsSymptomsinhumansPicturesDiagnosisComplicationsTreatmentPreventionWhentocallyourdoctorOutlookWhatiscatscratchfever?Catscratchfever,alsocalledcatscratchdisease(CSD),isabacterialinfection.ThediseasegetsitsnamebecausepeoplecontractitfromcatsinfectedwithBartonellahenselaebacteria.TheCentersforDiseaseControlandPrevention(CDC)estimatesthat12,000peoplewillbediagnosedwithcatscratchfever,and500peoplewillbehospitalizedeachyearintheUnitedStates.CasessurgebothinJanuary—possiblyduetoincreasedadoptionsofkittens—andintheperiodbetweenAugustandNovember.Whatcausescatscratchfever?Youcangetcatscratchfeverfromabiteorscratchfromaninfectedcat.Youcanalsogetthediseaseifsalivafromaninfectedcatgetsintoanopenwoundortouchesthewhitesofyoureyes.Occasionally,youmaygetthediseasefromafleaoratickcarryingthebacterium.Youcan’tgetcatscratchdiseasefromanotherhuman.Whoisatriskforcatscratchfever?Anyonewhoownsorinteractswithacatisatriskofcontractingcatscratchfever.TheCDCreportsthatcatscratchfeverismostprevalentinthesouthernpartoftheUnitedStatesandmostcommonamongchildrenbetweentheagesof5and9yearsold.Peoplewhowerehospitalizedweremorelikelythanoutpatientstobemale,thoughthemajorityofpeoplewhoarediagnosedarefemale.Youhaveanincreasedriskofbecomingseriouslyillfromcatscratchfeverifyouhaveaweakenedimmunesystem.Peoplewhomightfallintothiscategoryincludethosewhoarepregnantorwhoarelivingwith:cancerdiabetesHIVorAIDStransplantedorgansWhatarethesymptomsofcatscratchfeverincats?CatscancarryB.henselae,buttheydon’tgenerallygetsickfromthebacteria.Forthisreason,youcan’talwaystellifthey’recarriers.Catslikelycontractthebacteriafrominfectedfleas.Inveryrareinstances,humanscancontractthebacteriadirectlyfromfleas.AccordingtotheCDC,aro

SkipdirectlytositecontentSkipdirectlytopageoptionsSkipdirectlytoA-ZlinkBartonellaInfection(CatScratchDisease,TrenchFever,andCarrión’sDisease)SectionNavigationCDCHomeFacebookTwitterLinkedInSyndicateCatScratchDiseaseFAQsMinusRelatedPagesSwollenlymphnodeinarmpitandcatscratchonhandWhatiscatscratchdisease(CSD)?CatscratchdiseaseisabacterialinfectioncausedbyBartonellahenselaebacteria. Mostinfectionsusuallyoccurafterscratchesfromdomesticorferalcats,especiallykittens.CSDoccurswherevercatsandfleasarefound.Themostcommonsymptomsincludefever;enlarged,tenderlymphnodesthatdevelop1–3weeksafterexposure;andascaborpustuleatthescratchsite.IntheUnitedStates,mostcasesoccurinthefallandwinterandillnessismostcommoninchildrenlessthan15yearsold.Mycatiscompletelyhealthy.Howcanitcarryaninfection?CatsbecomeinfectedwithBartonella(thebacteriathatcausecatscratchdisease)throughfleabitesor,lesscommonly,fightswithotherinfectedcatsorfelinebloodtransfusions. Whilesomecatsbecomeill,mostsimplycarrythebacteriaintheirbloodwithoutgettingsick.SomestudieshavefoundtheBartonellabacteriainthebloodofupto1/3ofhealthycats,particularlykittens.ShouldIgetmypettreatedforBartonella,justtobesafe?Treatmentisnotrecommendedunlessyourpetbecomessick.TreatingBartonellawithantibioticscantakealongtimeandit’sconsideredsaferandmorepracticaltoletthepethandletheinfectionnaturally.Forcatsthatdobecomesick,theillnessusuallyconsistsoffeverfor2-3days,withthecatrecoveringonitsown.Symptomsrequiringveterinarycareincludefever,vomiting,lethargy,redeyes,swollenlymphnodesordecreasedappetite.Mydaughtergotscratchedbytheneighbor’skittenandnowmyhusbandisworriedabout“catscratchdisease.”Howworriedshouldwebe?Mostcatscratchesdonotresultincatscratchdisease,andshortofcleaningthewoundwithsoapandwater,thereisnoparticularactiontotake.Ifyourchilddevelopsafever;enlarged,tenderlymphnodesthatdevelop1–3weeksafterbeingscratched;orapustuleatthescratchsite,pleasetakehertoyourhealthcareprovider. Treatmentwithantibioticsisusuallynotnecessarybutmayhelpreducelymphnodesw

Cat-scratch disease is a worldwide epidemic, first identified in 1889. The cat is the only natural host of the pathogen of this disease and the source of infection.HygieneEducationHealthEducationHomeHygieneEducationCat-scratchDisease貓抓病(英文)HygieneEducationHealthEducationCat-scratchDisease貓抓病(英文)文章分享Home分享至FaceBook分享至LineQrcode列印下載A-A+Cat-scratchDisease貓抓病(英文)2021/3/24Cat-scratchdiseaseisaworldwideepidemic,firstidentifiedin1889.Thecatistheonlynaturalhostofthepathogenofthisdiseaseandthesourceofinfection.Thisdiseaseiscausedbypeoplebeingscratchedbythecatorinfectedbyitsfeces,whichischaracterizedbylocalchroniclymphnodeenlargement.Whenpeopleareinfected,thesymptomsarelocallymphnodeinflammation,swelling,pain,purulence,increasedbodytemperature,rashonthelimbs,andsometimesevenmeningitis.Serioussystemicdiseasecanoccurin3%ofpatients.Mostcasesarebenignandself-limiting,andusuallyresolvewithin2to4months.EtiologyBartonellahenselaeisthemainpathogenofcatscratchdisease.ItisaGram-negativeCampylobacter.ItissmallandbelongstotheBartonellafamilyofRickettsia.ModesofTransmissionThemainsourceofinfectioniscats,especiallykittensandnewlyadoptedcats,aswellasdogs,monkeysandrabbits.Therearenoreportsofhuman-to-humantransmission.Catswithpathogensdon'tgetsick.Morethan90%ofthepatientshavecontactwithcatsordogs,and75%havebeenscratchedorbittenbytheanimals.Themodeoftransmissionisdirectcontactwithpathogens,50%ofwhichcanbecausedbyvariousinjuries,resultingininfection,and25%ofwhichhavenoobviousskindamage.IncubationPeriodTheincubationperiodofcatscratchdiseaseis3to10days.ClinicalManifestationsTheclinicalmanifestationsofthediseasearediverse,withmildcasesmakingupalargeproportion.Primaryskinlesions:3to10daysaftercat'sscratchandbite,onetoseveralerythematouspapulesappearlocally,withnosignificantpain.Afewpapulesturntoblistersorpustules,occasionallybreakthroughtoformsmallulcers.After1-3weeks,theyleaveashortperiodofpigmentationorscabandheal.Skinlesionsaremorecommoninthehands,forearms,feet,legs,face,eyesandotherplaces,butc

Cat-scratch disease (CSD) or felinosis is an infectious disease that most often results from a scratch or bite of a cat. ... Symptoms typically include a non-painful​ ...Cat-scratchdiseaseFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchFortheTedNugentalbum,seeCatScratchFever.FortheNickelodeoncartoon,seeCatscratch.HumandiseaseMedicalconditionCatscratchdiseaseOthernamesCat-scratchfever,Teeny'sdisease,inoculationlymphoreticulosis,subacuteregionallymphadenitis[1]Anenlargedlymphnodeinthearmpitregionofapersonwithcat-scratchdisease,andwoundsfromacatscratchonthehand.SpecialtyInfectiousdiseaseSymptomsBumpatthesiteofthebiteorscratch,swollenandpainfullymphnodes[2]ComplicationsEncephalopathy,parotitis,endocarditis,hepatitis[3]UsualonsetWithin14daysafterinfection[2]CausesBartonellahenselaefromacatbiteorscratch[2]DiagnosticmethodBasedonsymptoms,bloodtests[3]DifferentialdiagnosisAdenitis,brucellosis,lymphogranulomavenereum,lymphoma,sarcoidosis[3]TreatmentSupportivetreatment,azithromycin[2][3]PrognosisGenerallygood,recoverywithin4months[3]Frequency1in10,000people[3]Cat-scratchdisease(CSD)orfelinosisisaninfectiousdiseasethatmostoftenresultsfromascratchorbiteofacat.[4]Symptomstypicallyincludeanon-painfulbumporblisteratthesiteofinjuryandpainfulandswollenlymphnodes.[2]Peoplemayfeeltired,haveaheadache,orafever.[2]Symptomstypicallybeginwithin3–14daysfollowinginfection.[2]Cat-scratchdiseaseiscausedbythebacteriumBartonellahenselaewhichisbelievedtobespreadbythecat'ssaliva.[2]Youngcatsposeagreaterriskthanoldercats.[3]Occasionallydogscratchesorbitesmaybeinvolved.[3]Diagnosisisgenerallybasedonsymptoms.[3]Confirmationispossiblebybloodtests.[3]Theprimarytreatmentissupportive.[3]Antibioticsspeedhealingandarerecommendedinthosewithseverediseaseorimmuneproblems.[2][3]Recoverytypicallyoccurswithin4monthsbutcanrequireayear.[3]About1in10,000peopleareaffected.[3]Itismorecommoninchildren.[4]Contents1Signsandsymptoms2Cause2.1Transmission3Diagnosis3.1Histology4Prevention5Treatment6Epidemiology