Giardiasis

GiardiasisGIARDIASIS - Giardia infestation occurring in the form of bowel dysfunction or as an asymptomatic parasitologist. Source of infestation is the only man. Etiology, pathogenesis. Pathogen - Giardia; is the simplest. Exists in the form of vegetative and tsistnoy stages of development. Giardia vegetative stage, pear-shaped, length 8-18 Ојm, the width of 5-7 microns, has four pairs of flagella and passively disk. In the external environment quickly dies. Cysts persist in the environment for up to 3 months. Gate infection - upper sections of the small intestine. The infective dose of more than 100 tillable. Most of the infested no symptoms were not detected, so some researchers doubt the pathogenicity of Giardia. The vegetative form of Giardia can only exist on the surface of the mucosa of the upper small intestine. Of Giardia cannot exist in the biliary tract (bile kills them). They can cause changes in the mucosa at the site of attachment and to have reflex effects. The symptoms for. The incubation period lasts 10-15 days. The parasites begin to stand out in 9 days after infection. The overall health of patients is good, the body temperature normal. Patients complain of discomfort in the epigastrium, nausea, loss of appetite, sometimes rumbling in the abdomen, discomfort in the upper abdomen. The sick part is watery stool, there may be a slight decrease in body weight. After a few days these symptoms gradually disappear. Proof of giardiasis is the detection of vegetative forms of Giardia (in the duodenal contents, liquid stools) or cysts (decorated chair). It is necessary to consider the possibility of combining carriage of Giardia with any other disease. Treatment. The most effective metronidazole (trichopol, flagyl) and furazolidone. Metronidazole 0.25 g 3 times a day for 7 days. Of imported drugs effective tinidazole (0.15 g, 2 times a day for 7 days), similar in structure to metronidazole. Furazolidone take 0.1 g 4 times a day for 5 days. Prevention see Dysentery..



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