What does ascariasis mean?
Ascariasis is a parasitic disease caused by infection with large intestinal roundworms of the genus Ascaris, chiefly Ascaris lumbricoides in humans. People acquire it by accidentally swallowing Ascaris eggs found in soil or food contaminated with human faeces, particularly in regions with inadequate sanitation. After ingestion, larvae hatch in the intestine, migrate through the bloodstream and lungs, and mature into adult worms that live in the small intestine. Many infections produce no symptoms, but heavy infestations can cause abdominal discomfort, malnutrition, intestinal blockage, and impaired growth in children. The term is a formal medical and public health word, appearing in clinical literature, epidemiology reports, and health education materials rather than everyday conversation. Ascariasis remains one of the most widespread helminth infections globally, affecting well over a billion people, which makes it a significant focus of deworming programmes and sanitation initiatives worldwide.
nounAscariasis is an infection of the small intestine caused by parasitic roundworms of the genus Ascaris, most commonly Ascaris lumbricoides in humans.
- Infection of the small intestine with Ascaris roundworms, typically Ascaris lumbricoides.
"The public health campaign reduced cases of ascariasis by promoting handwashing and improved sanitation."
"Children in areas with poor sanitation are at highest risk of contracting ascariasis."
"The doctor prescribed albendazole to treat the patient's ascariasis."
Rarely pluralised in practice; the singular is standard even when referring to multiple cases, though 'cases of ascariasis' is preferred.
"Both patients were diagnosed with ascariasis after presenting with similar symptoms."
Ascariasis infects over a billion people worldwide — roughly one in eight humans — making it one of the most common parasitic infections on Earth.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of ascariasis
The name derives from the Greek word 'askaris', meaning an intestinal worm, combined with the suffix '-iasis' indicating a disease state. The Greek root passed into Latin as 'ascaris' and into modern scientific nomenclature when Linnaeus formally described the human roundworm in the 18th century. The term entered English medical usage during the 19th century alongside other '-iasis' disease names borrowed from Greek medical vocabulary.
How ascariasis is actually used
Ascariasis is a technical medical term used primarily in clinical, veterinary, and public health contexts; it carries no figurative or informal use. It refers to human infection specifically, though related species affect pigs and other animals.
Easily confused with ascariasis
Ascariasis is a worm infection, whereas ascites is the accumulation of fluid in the abdominal cavity — unrelated conditions with superficially similar spellings.
Schistosomiasis is a parasitic disease caused by blood flukes (trematodes), not by roundworms like Ascaris.