Ascariasis (Ascaris lumbricoides) IgG antibodies
Detects IgG antibodies to Ascaris lumbricoides — parasitic roundworm causing ascariasis. Larvae migrate through the body; adult forms live in the intestine. Infection may cause cough (migratory stage), allergic reactions, abdominal pain, digestive disorders.
IgG features:
- 'memory antibodies' appearing after organism contact;
- may be positive with current or past infection;
- for active ascariasis, physician often recommends stool helminth egg examination (repeat 2-3 times).
Infection routes:
- dirty hands;
- unwashed vegetables/berries;
- soil/sand contact.
Recommended for:
- children;
- elevated eosinophils;
- unexplained allergy;
- frequent intestinal complaints.
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
- Abdominal pain, nausea;
- reduced appetite; u
- nstable stool;
- prolonged cough without cold;
- allergy, urticaria;
- eosinophilia;
- prophylactically in children with suspected helminthiasis.
Note: IgG is a contact marker; active infection often requires stool confirmation.
Negative IgG — infection unlikely.
Positive IgG — contact/possible infection.
Recommended physicians: Infectious disease parasitologist. Self-treatment not recommended.
