Introduction - Ascaris Lumbricoides

Ascaris lumbricoides is a parasite. It is a helminth or more specifically a nematode (roundworm) that undergoes most of its life-cycle within the human body. Normal 0 false false false EN-MY ZH-CN X-NONE ...

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Epidemiology of Ascaris Lumbricoides

WHO estimated that more than 1.4 billion people are infected with Ascaris lumbricoides, representing about 25 percent of the world population. In Malaysia, it is estimated that up to 90 percent are infected in rural areas (especially among Orang Asli) whereas only 4 percent in are reported urban areas. A number of features account for its high prevalence including: 1)a ubiquitous distribution the durability of eggs under a variety of environmental conditions 2)the high number of eggs produced per parasite 3)poor socioeconomic conditions that facilitate its spread. Transmission is enhanced by the fact that individuals can be asymptomatically...

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Clinical presentation of Ascariasis

Many individuals infected with Ascaris lumbricoides remain generally asymptomatic. But on the other hand, if the infection is severe, the individual can become symptomatic. Ascariasis has a multitude of symptoms, which include: Coughing dyspnea substernal pain conjunctivitis, convulsions eosinophilia fever skin rash abdominal distension abdominal pain colic nausea vomiting anal itching anorexia disordered small bowel pattern malabsorption enterocolitis fat malabsorptio intermittent diarrhoea jejunal mucosal abnormalities protein malabsorption restlessness vitamin A malabsorption intestinal obstruction intussusception invasion...

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Pathogenesis - How does Ascaris Lumbricoides causes illness?

Ascariasis is infection caused by Ascaris lumbricoides, an intestinal roundworm.  First, the eggs of the worm are found in soil contaminated by human stool or in uncooked food contaminated by soil containing eggs of the worm.  Second, person can get infected when he/she swallows contaminated food with Ascaris eggs. It usually occurs in poor sanitation area.   Third, once swallowed, Ascaris eggs hatch and release larvae in the intestine.  Then, each larva migrates through the wall of the small intestine and is carried through the lymphatic vessels and bloodstream to the lungs.  Fifth, in the lungs, the larva passes into the air sacs. It then moves up to the respiratory tract and into the throat and is swallowed. Finally,...

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Effacts & Complications of Ascariasis

As mentioned earlier, Ascariasis could remain asymptomatic but could be fatal if the infection is severe. Children is more prevalence to the infection, thus we're going to discuss the sequelae and complications on children more.   Complications of Ascariasis arisen due to 2 important process.  1) Obstruction 2) Migration In Ascariasis, if the worm burden is too severe, it might be huge enough to form a clump, called worm bolus which can obstruct the intestinal lumen. Problems arisen due to the obstruction. Other than watery diarrhoea, the infected child might show sign of project vomiting cause the food ingested were being stuck...

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Treatment & Management of Ascariasis

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