Worm InfestationsEntamoeba HistolyticaTaenia SoliumTaenia SaginataDr.Tahseen Kazmi

Life cycle of E.histolytica

Etiology & mode of transmissionWhich form is infective for humans?Trophozite or Cystic Mode of Transmission:Person to personFaeco-oralSexualTrophozites emerge from cysts inStomachDuodenumColon

Etiology & mode of transmissionCarrier StateNon Invasive formInvasive formUlcersPerforationAmoebomaLiver Abscess LungsBrain

Clinical Features Asymptomatic Abdominal pain Diarrhea alternating with Constipation Stools with offensive odour Bloody diarrhea Liver enlargement & tenderness Cough Right Shoulder Pain

DiagnosisStool Examination For?Immunodiagnosis by Indirect HaemagglutinationMolecular Diagnosis __ PCR

Prevention and Control Boiling of water Use of absolute 1 micron water filters Avoid eating raw vegetables Eat only those fruits which you can peel Avoid eating at road side vendors Proper disposal of human excreta Screening of food handlers for career state

ManagementMetronidazole 800 mg Tid for 5 daysTinidazole 2 gm OD for 3 daysChloroquine 300 mg for 2 days then 150 mg for 14 days BDFuramide 500 mg Tid for 10 days after initial treatment to eliminate luminal cysts

Taenia Solium &Taenia SaginataCausal Agents: The cestodes (tapeworms) Taenia saginata (beef tapeworm) T. solium (pork tapeworm). Taenia solium can also cause cysticercosis.

Clinical Features

Taenia saginata taeniasis produces only mild abdominal symptoms. Passage of proglottids. Appendicitis or cholangitis can result from migrating proglottids. Development of cysticercosis.

Clinical Features

AsymptomaticAbdominal discomfortHuman Cysticercosis superficial can be palpatedBrain infectionPersonality change EpilepsyEncephalitis

Management & PreventionEradication of disease in animals Meat should be properly cookedTreatment is simple and very effective. Praziquantel* is the drug of choice50 mg / kg Tid for 10 days alon with Prednislone 10 mg Tid for 14 days