Visceral larva migrans

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Digestive system organs

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Visceral larva migrans

Individuals with mild infections may have no symptoms

More serious infections are marked by fever, irritability, abdominal pain, and occasionally itchy skin lesions such as hives.

Pulmonary symptoms are common and include cough, shortness of breath, and wheezing.

If the eyes are infected, loss of vision and crossed eyes (strabismus) may occur.

Visceral larva migrans may be suspected in an individual with elevated white blood cell count (leukocytosis) and an elevated number of eosinophils (eosinophilia). An enlarged liver, rash, and lung or eye abnormalities may also be noted.

The disease may be definitively diagnosed by detection of larvae in the affected tissue. A blood test for antibodies can also be used to detect infection.

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