infectious diseases
Hookworm Infection
Key Points
Hookworm larvae penetrate the skin when people walk barefoot on or otherwise come into direct contact with infested soil. In humans, larvae of the hookwormsAncylostoma duodenaleorNecator americanustravel through the bloodstream to the lungs, penetrate the alveoli, ascend to the epiglottis, are swallowed, and then mature in the intestines. Infection may be asymptomatic, but a pruritic rash may appear at the site of larval penetration, and pulmonary involvement may cause cough and wheezing. Intestinal involvement may cause iron deficiency anemia. Diagnose by microscopic examination of stool. Treat withalbendazole,mebendazole, orpyrantelpamoate. 