ASCARIS LUMBRICOIDES Individual infections are cured by a single of any of the broad spectrum anti-helminths such as: TREATMENT: Albendazole (drug of choice) 400 mg single dose (200 mg if below 2 y/o). Mebendazole- 500 mg single dose Pyrantel pamoate- 10 mg/kg (maximum of 1 gm) as a single oral dose. Ascaris lumbricoides Unfertilized, Ascaris lumbricoides Fertilized, decorticated ovum Ascaris lumbricoides Cross-section male Ascaris lumbricoides Cross-section Anterior end NOTE: Presence of trilobate or tri-radiate lips.
Transcript
ASCARIS LUMBRICOIDES Individual infections are cured by a single of any of the broad spectrum anti-helminths such as: TREATMENT: Albendazole (drug of choice) 400 mg single dose (200 mg if below 2 y/o).
Mebendazole- 500 mg single dosePyrantel pamoate- 10 mg/kg (maximum of 1 gm) as a single oral dose.
Ascaris lumbricoidesUnfertilized, decorticated
ovum
Ascaris lumbricoidesFertilized, decorticated ovum
Ascaris lumbricoidesCross-section male
Ascaris lumbricoidesCross-section female
Anterior endNOTE: Presence of trilobate or
tri-radiate lips.
ENTEROBIUS VERMICULARIS OVUM Pyrantel pamoate: 10 mg/kg body weight, second dose 2 to 4 weeks later, drug of choice Mebendazole: 50 mg chewable tablet single dose Albendazole: 400 mg chewable tablet single dose
HOOKWORM
Enterobius vermicularis oviumEnterobius vermicularis ova
NOTE: D-shaped or plane convex embryonated when laid
readily ineffective
Enterobius vermicularis maleNOTE: smaller than female
Curved posterior end
Enterobius vermicularis female
NOTE: presence of globular esophagus
Female is gravid (filled w/ eggs)
Larger than male
Ancyclostoma caninumDog Hookworm
NOTE: Presence of teeth
Hookworm Rhabditi form larvaNOTE: Open-mouthed
Feeding stage
Hookworm Filariform larvaNOTE: Close mouth
Infective Stage
Ancyclostoma brazilienseCat Hookworm
NOTE: Presence of teeth
CAPILLARIA In severe cases involving electrolyte and protein loss, patients should be given electrolyte replacement and high protein diet TREATMENT: Mebendazole- 200 mg twice a day for 20 days
Albendazole- 400 mg once daily for 10 days, drug of choice, destroys larval stages readily
TRICHURIS TRICHIURIA TREATMENT: Mebendazole (drug of choice) 500 mg single dose
ALTERNATIVE DRUG- Albendazole (400 mg single dose), not for pregnant women
CapillariaCapillaria philippinensis
Adult maleCapillaria philippinensis
Adult femaleW.M-whole mount
Capillaria philippinensis ovumPitted shell
Characteristic: Peanut-shaped
Trichuris trichiuria ovumNOTE: foot-ball shape
Smooth shell
Trichuris trichiuria femaleCurved posterior end
Trichuris trichiuria male (whipworm)
Coiled posterior end
NECATOR AMERICANUS STRONGILOIDES STERCORALIS TRICHINELLA SPIRALIS
