Opisthorchiasis (Opisthorchis felineus) IgG antibodies
Detects IgG antibodies to Opisthorchis felineus — parasite (cat/hepatic fluke) affecting liver bile ducts, gallbladder, and pancreas. Opisthorchiasis often becomes chronic causing prolonged GI and liver complaints.
IgG features:
- appears some time after infection;
- may persist for years;
- positive IgG may indicate both active infection and past disease;
- for confirmation, physician often orders stool PCR/duodenal intubation.
Used for:
- detecting probable opisthorchiasis;
- examination with liver/gallbladder complaints;
- identifying cause of allergy and eosinophilia.
- Infection routes: consuming raw/lightly salted/poorly fried river fish (carp family).
Recommended for:
- frequent river fish consumers;
- endemic region residents;
- chronic liver/gallbladder diseases;
- allergy + eosinophilia.
Biomaterial: Venous blood
- Draw blood fasting (8-12 hours without food)
- Water is permitted
- Exclude fatty food and alcohol 24 hours before
- No smoking 30 minutes before
Medications: If taking antiparasitic drugs, hormonal drugs, or immunosuppressants — inform physician; dose adjustment is usually not required unless directed by physician
- Right-sided pain and heaviness;
- bitter taste in mouth, nausea;
- discomfort after fatty food;
- unstable stool;
- elevated liver indicators;
- allergy, itching, rashes;
- elevated eosinophils;
- consuming river fish.
Note: IgG shows contact and does not always confirm active process.
Negative IgG — antibodies not detected (usually no infection).
Positive IgG — parasite contact; may be: current infection, chronic process, past infection.
Recommended physicians: Infectious disease parasitologist and gastroenterologist. Self-treatment not recommended.
Result on the day of the request
