_Eggs are deposited to soil
_Eggs become embryonated and enter the “infective” stage (after 2-3 wks)
_Eggs ingested by human
_Eggs hatch in the human small intestine
_The infective larvae penetrate the villi
_The larvae develop in the small intestine into young worms
_The young worms move to the caecum and ascending colon, penetrate the mucosa, mature, mate and lay eggs.
Over 2 years: (children and adults): _Tabs/susp Albendazole 400mg stat
_Tabs Levamizole Adults: 120mg stat. Children 1-4 years: 40mg stat. 5-15 years: 80mg stat.
_Tabs Mebendazole 100mg BD x 3/7 or 500mg stat.
Tabs / susp Pyrantel pamoate 10mg/kg stat
_ Ivermectin 200 mcg/kg OD x 3/7