Cestodes (adult forms). Parasites. Clinical features/Laboratory. Treatment. Transmission/Prevention.Versionlatest(Spanish)SpanishFrancaisEnglishDownloadpageCestodes(adultforms)ParasitesClinicalfeatures/LaboratoryTreatmentTransmission/PreventionTaeniasisTaeniasaginataTaeniasolium(worldwide)OftenasymptomaticSegmentsexpelledinthestools,sometimesgastrointestinaldisturbances(epigastricorabdominalpain,nausea,diarrhoea)Laboratory:eggsinstoolsorcollectedfromperianalskin(scotchtapemethod),segmentsinstoolspraziquantelPO1Children4yearsandoverandadults:5to10mg/kgsingledoseTransmissionbyeatingraworunder-cookedmeat:•beefforT.saginata•porkforT.soliumPrevention:•individual:cookmeatthoroughly•collective:slaughterhousemonitoringDiphyllobothriasisDiphyllobothriumlatum(temperateorcoldlakeareas)OftenasymptomaticIntheeventofheavyinfection:mildgastrointestinaldisturbances,anaemiaduetovitaminB12deficiencyassociatedwith(rare)neurologicalsequelaeLaboratory:eggsinstoolspraziquantelPO1Children 4yearsandoverandadults:5to10 mg/kgsingledoseIfanaemia:vitaminB12+folicacidTransmissionbyeatingraworunder-cookedfreshwaterfishPrevention:•individual:cookfishthoroughlyHymenolepiasisHymenolepisnana(worldwide)OftenasymptomaticIntheeventofheavyinfection:gastrointestinaldisturbances(epigastricpain)Laboratory:eggsinstoolspraziquantelPO1Children 4yearsandoverandadults:15to25mg/kgsingledoseTransmissionbyfaecal-oralrouteorauto-infectionPrevention:•individual:handwashing,nailcutting•collective:hygieneandsanitation(water,latrines,etc.)Cestodes(larvae)ParasitesClinicalfeatures/LaboratoryTreatmentTransmission/PreventionCysticercosisTaeniasolium(worldwide)•Muscular:asymptomaticormyalgia•Subcutaneous:nodules•Neurological(neurocysticercosis): headache,convulsions,coma,etc.•Ocular:exophthalmia,strabismus,iritis,etc.Laboratory:hypereosinophiliainbloodandcerebrospinalfluidNeurologicalandocularcysticercosisshouldbemanagedinspecializedfacilities.Antiparasitictreatmentwithoutdiagnosisoflocationbycomputerirsedtomographyand/orm