Parasites are divided into two groups.
Intestinal protozoa: single-cell organisms; typically multiply within the host; transmission by direct fecal–oral route; do not cause eosinoph...
Acute bacterial or viral GI syndromes tend to be sudden onset and short duration.
F...
Not all patients need drug therapy.
Symptomatic treatment is indicated fo...
For most infections, testing for clearance is not indicated.
Consequences of intestinal parasitic infections include lactose intolerance, irritab...
Burgess SL, Gilchrist CA, Lynn TC, et al. Parasitic protozoa and interactions with the host intestinal microbiota. Infect Immun. 2017;85(8):e00101-17. [View Abstract on OvidMe...
B82.9 Intestinal parasitism, unspecified
A07.9 Protozoal intestinal disease, unspecified
B82.0 Intestinal helminthiasis, unspecified
B80 Enterobiasis
B71.9 Cestode infection, unspecified
B66.9 F...
GI parasites are relatively common in patients presenting with GI symptoms and a pertinent history of travel, recent immigration, daycare, chronic diarrhea, or visible presence of worm...
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<bold>FIGURE 54-5</bold> <bold>Life cycle of intestinal tapeworms <i>Taenia solium</i> (pork tapeworm) and <i>Taenia saginata</i> (beef tapeworm).</bold> Humans acquire intestinal tapeworm infections by ingesting the tissue stage of the parasite (cysticercus) in inadequately cooked meat (1). The parasite then hatches in the intestine (2) and matures to an intestinal tapeworm (3). The pork tapeworm (outside diagram) has a crown of spines on its head and ...
<bold>FIGURE 54-5</bold> <bold>Life cycle of intestinal tapeworms <i>Taenia solium</i> (pork tapeworm) and ...
Figure 288.3. Gravid proglottid segments from <italic>T. saginata</bold> (<bold>A</bold>) and <italic>T. solium</bold> (<bold>B</bold>). Cleared in glycerol and mounted on a slide. <italic>Ub</bold>, Uterine branches. (<bold>A</bold> and <bold>B</bold> courtesy of Sylvia Paz Diaz Camacho.) <bold>C:</bold> Scanning electron micrograph of <italic>T. solium</bold> proglottid, showing genital atrium <italic>(a)</bold> and eggs <italic>(e)</bold> on surface (<italic>arrows</bold>).
Figure 288.3. Gravid proglottid segments from <italic>T. saginata</bold> (<bold>A</bold>) and <italic>T. soli...