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Oriental Lung Fluke
Phylum?
Platyhelminthes
Paragonimus egg, Adult flukes in lung tissue
The species sometimes is called the Japanese Lung fluke or Oriental Lung fluke. Human infections are most common in eastern Asia and in South America.
Dog Lung Infected
Paragonimus species are found in tropical, subtropical, and temperate climates.
The signs and symptoms
This disease comes on slowly and symptoms may continue for years, sometimes as long as 20 years. In the first three weeks after ingestion, symptoms may include diarrhea, abdominal pain, cough, fever and hives while the worms are migrating from the intestines to the lungs.
The chronic symptoms of paragonimiasis are caused by the body’s immune system reaction to the worms and eggs. The incubation period, or time from infection until symptoms, varies, but it usually takes about 6-10 weeks for the parasites to start making the eggs in the lungs.
Causes
Paragonimiasis is a disease caused by a parasite, also known as a fluke, which commonly infects the lungs and other body sites of humans and other mammals.
Trematodes of the Paragonimus genus cause paragonimiasis, a parasitic disease that strikes carnivores, causing a subacute to chronic inflammatory disease of the lung. Of the 10 or more Paragonimus species that are human pathogens, only 8 cause significant infections in humans.
How is this treated?
There is a prescription drug available called praziquantel that is effective for treatment of this infection in the lungs. The usual treatment course is two days. Another prescription drug, bithionol, is also effective.