Fasciolopsiasis

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Fasciolopsiasis
Fasciolopsis buski egg
Synonyms	N/A
Pronounce	N/A
Specialty	N/A
Symptoms	Abdominal pain, diarrhea, nausea, vomiting, fever, intestinal obstruction
Complications	Malnutrition, anemia
Onset	3 months after ingestion of contaminated water or food
Duration	Chronic if untreated
Types	N/A
Causes	Infection by Fasciolopsis buski
Risks	Consumption of contaminated water plants, poor sanitation
Diagnosis	Stool examination for eggs
Differential diagnosis	Amoebiasis, giardiasis, ascariasis
Prevention	Avoiding consumption of raw aquatic plants, improving sanitation
Treatment	Praziquantel
Medication	Praziquantel
Prognosis	N/A
Frequency	Common in parts of Asia, especially China, Vietnam, Thailand, Indonesia
Deaths	Rare with treatment

Parasitic disease caused by Fasciolopsis buski

Fasciolopsiasis is an intestinal infection caused by the trematode parasite Fasciolopsis buski, commonly known as the giant intestinal fluke. This condition is prevalent in parts of Asia, particularly in areas where humans and pigs live in close proximity and where aquatic plants are consumed raw.

Life Cycle

The life cycle of Fasciolopsis buski begins when eggs are passed in the feces of an infected host. These eggs hatch in water, releasing miracidia that infect a suitable snail host. Inside the snail, the parasite undergoes several developmental stages, eventually emerging as cercariae. These cercariae encyst on aquatic plants, forming metacercariae, which are the infective stage for humans and pigs. Infection occurs when these encysted metacercariae are ingested with raw or undercooked aquatic plants such as water chestnuts, water bamboo, or lotus.

Symptoms

Infection with Fasciolopsis buski can range from asymptomatic to severe, depending on the parasite load. Common symptoms include abdominal pain, diarrhea, nausea, and vomiting. In severe cases, the infection can lead to malabsorption, intestinal obstruction, and even death if left untreated.

Diagnosis

Diagnosis of fasciolopsiasis is typically made by identifying the characteristic eggs of Fasciolopsis buski in stool samples. Microscopic examination is the standard method for detecting these eggs, which are large, oval, and operculated.

Treatment

The treatment of choice for fasciolopsiasis is the antiparasitic drug praziquantel. This medication is effective in eliminating the adult flukes from the intestine. In cases of heavy infection, supportive care may be necessary to manage symptoms and complications.

Prevention

Preventive measures include avoiding the consumption of raw or undercooked aquatic plants in endemic areas. Public health education and improved sanitation can also help reduce the incidence of fasciolopsiasis by interrupting the life cycle of the parasite.

Epidemiology

Geographical distribution of Fasciolopsis buski

Fasciolopsiasis is endemic in several Asian countries, including China, India, and Thailand. The disease is closely associated with rural areas where traditional agricultural practices and dietary habits facilitate the transmission of the parasite.

See also

• Trematode
• Praziquantel
• Parasitic disease