Infectious Disease Compendium



A lung fluke Paragonimus westermani. In the US it is Paragonimus kellicotti. There are 15 others. Snails are the host.

Epidemiologic Risks

Found in West Africa, Far East and the Indian subcontinent, and Central and South America. In the US it is associated with eating raw freshwater crustaceans.

P. africanus in Africa, and P. mexicanus in Central and South America.

The domestic cat can be a reservoir transmit the infection to humans.

In the US it has been mostly reported in Missouri (PubMed).


Fever, night sweats, malaise, cough, dyspnea, chest pain, weight loss, eosinophilia. Starts 1-3 weeks after eating.


Diagnose with O&P of sputum and CDC has serology.

Eosinophilic meningitis.


Praziquantel 25 mg/kg q 8 for 2 days.

Triclabendazole is available from the CDC.

Treat meningitis a lot longer.


Look for the eggs in the stool and sputum.

Last update: 05/05/18