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IM - COMMON PARASITIC INFECTIONS

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tonystep1's version from 2017-08-15 16:14

COMMON PARASITIC INFECTIONS CLINICAL FEATURES

Question Answer
Cryptosporidiosisfecal oral route // watery diarrhea -- severity of diarrhea increases with immune incompetence//
AmebiasisFecal-oral route // Bloody diarrhea, tenesmus // abdominal pain ± liver // abscess
GiardiasisFecal-oral route // Watery diarrhea // Chronic infection // weight loss
AscariasisIngestion of food or water contaminated by human feces // Varies - no symptoms postprandial abdominal pain or vomiting // Heavy worm burden - bowel , pancreatic duct or common bile duct obstruction
Hookwormlarvae invade skin ->travel to lung ->coughed and swallowed->reside in intestine // usually no symptoms , cough, anemia, malabsorption, weight loss, eosinophilia
Enterobiasis (pinworm)Fecal - oral route (self infection with anus - hand mouth contact) common in children // perianal pruritus worse at night
Tapeworm (cestodes)eating raw or undercooked meat // usually asymptomatic , possible nausea , abdominal pain , weight loss -- fish tapeworm causes vitamin B 12 deficiency
Schistosomiasis (trematodes) S mansoni and S japonicumPenetration of human skin (in contaminated water) -> migrate -> to lungs -> to portal vein -> to venules of mesentery, bladder, or ureters // fever, diarrhea (acute) - liver fibrosis, portal HTN (chronic)
Schistosomiasis (trematodes) S haematobiumurinary tract granulomas -> bladder polyps and fibrosis, dysuria
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-= COMMON PARASITIC INFECTIONS CLINICAL FEATURES

Question Answer
Amebiasislodoquinol or paramomycin Metronidazole for Iiver abscess
GiardiasisMetronidazole
AscariasisAlbendazole, mebendazole, or pyrantel pamoate
HookwormMebendazole or pyrantel pamoate
EnterobiasisMebendazole or pyrantel pamoate
Taenia solumPraziquantel
Diphyllobothrium tatum (fish)vitamin 812 if deficient
SchistosomiasisPraziquantel
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