Background:

the most frequent and cosmopolitan parasitosis of all human helminthiasis is that caused by Ascaris lumbricoides. It is estimated that around a quarter of the world's population is infected and about 60,000 people die annually as a result. The human being becomes infected by ingesting the larvae eggs of the parasite.

Objective:

to present a case with the diagnosis of intestinal obstruction by Ascaris lumbricoides.

Case report:

a 19-years-old female patient with a health history, with no surgical history. He went to the emergency department for presenting two days vomiting, in number between five and six daily, physical examination was confirmed symptoms and signs of dehydration, with acute abdominal occlusive symptoms.

Conclusions:

intestinal occlusion by Ascaris lumbricoides is a rare disease in adults and very rare in Cuba at present.

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