Etiology:

Ascaris lumbricoidesis the largest and, globally, the most widespread of all human intestinal roundworms (Nematode).

Life cycle:

Epidemiology:

Clinical Manifestations: 

Diagnostic Tests:

The differential when the worm is visible to the naked eye

Medically important nematodes.  

Treatment:

Mebendazole and Pyrantel pamoate are highly effective. Mebendazole is preferred if Trichuris trichiura is also present.    

Reexamination of stool specimens 3 weeks after therapy to determine whether the worms have been eliminated is helpful for assessing therapy but is not essential.

In cases of partial or complete intestinal obstruction due to a heavy worm load:

Control Measures: