Below you will find more information about Strongyloidiasis from Medigest. If you believe that you are suffering from any of the symptoms of Strongyloidiasis it is important that you obtain an accurate diagnosis from a medical professional to ensure that you obtain the correct medication or treatment for your condition. There are medical conditions that carry similar symptoms associated with Strongyloidiasis and therefore the information provided by Medigest is offered as a guideline only and should never be used in preference to seeking professional medical advice. The information relating to Strongyloidiasis comes from a third party source and Medigest will not be held liable for any inaccuracies relating to the information shown.


Strongyloidiasis is a human parasitic disease that is caused by the nematode (roundworm) Strongyloides stercoralis. Other Strongyloides include S. fⁿlleborni, which infects chimpanzees and baboons and may produce a number infections in humans.


Diagnosis is done on the microscopic identification of larvae (rhabditiform and occasionally filariform) in the stool or duodenal fluid. Examination of serial samples may be needed, and not always sufficient, because direct stool examination is relatively insensitive.


The drug of choice for the treatment of strongyloidiasis is ivermectin. Ivermectin does not kill the strongyloides larvae but only the adult worms so therefore repeating dosaging may be necessary to properly eradicate the infection.

Symptoms and Signs

Strongyloidiasis is frequently asymptomatic. Gastrointestinal system symptoms include abdominal pain and diarrhea, while pulmonary symptoms (including L÷ffler's syndrome) can occur during pulmonary migration of the filariform larvae. Dermatologic symptoms include urticarial rashes in the buttocks and waist areas. Blood eosinophilia is typically present.


This is caused by the parasitic nematode Strongyloides stercoralis.

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