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File:Ascaris_infection_in_X-ray_image-_Duedenal_worms_-_in_the_first_portion_of_the_bowel_after_the_stomach_(South_Africa)_(16238958958).jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ842428· pop 64· linked from 201 articles

ascariasis

Also known as Ascariasis - roundworm, Ascaris lumbricoides infection

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Key facts

Medical condition.caption: High number of ascaris worms – visible as black tangled mass – are filling the duodenum, the first portion of the bowel after the stomach, of this South African patient (X-ray image with barium as contrast medium).
Medical condition.field: Infectious disease
Medical condition.symptoms: Abdominal swelling, abdominal pain, diarrhea, shortness of breath
Medical condition.causes: Ingestion of Ascaris eggs
Medical condition.prevention: Improved sanitation, handwashing
Medical condition.medication: Albendazole, mebendazole, levamisole, pyrantel pamoate
Medical condition.frequency: 762 million (2015)
Medical condition.deaths: 2,700 (2015)
Medical condition.name: Ascariasis
Medical condition.image: Ascaris infection in X-ray image- Duedenal worms - in the first portion of the bowel after the stomach (South Africa) (16238958958).jpg

via Wikipedia infobox

Research

6,562 papers

via PubMed

Wikidata facts

Image: Ascaris lumbricoides (Round worm).JPG

Show 6 more facts

Commons category: Ascariasis
exact match: identifiers.org/doid/DOID:456
minimal incubation period in humans: 1
maximal incubation period in humans: 3
NCI Thesaurus ID: C128392
ICD-9-CM: 127.0

Sources (5)

via Wikidata · CC0

~14 min read

Article

27 sections

Contents

Signs and symptoms
Migrating larvae
Intestinal blockage
Bowel obstruction
Allergies
Malnutrition
Others
Cause
Transmission
Lifecycle
Mechanism
Diagnosis
Prevention
Treatment
Medications
Other medications
Surgery
Prognosis
Epidemiology
Regions
Infection estimates
Deaths
Research
Other animals
Society and culture
References
External links

Ascariasis is a disease caused by the parasitic roundworm Ascaris lumbricoides. Infections have no symptoms in more than 85% of cases, especially if the number of worms is small. Symptoms increase with the number of worms present and may include shortness of breath and fever at the beginning of the disease. These may be followed by symptoms of abdominal swelling, abdominal pain, and diarrhea. Children are most commonly affected, and in this age group the infection may also cause poor weight gain, malnutrition, and learning problems.

Infection occurs by ingesting food or drink contaminated with Ascaris eggs from feces. The eggs hatch in the intestines, the larvae burrow through the gut wall, and migrate to the lungs via the blood. There they break into the alveoli and pass up the trachea, where they are coughed up and may be swallowed. The larvae then pass through the stomach a second time into the intestine, where they become adult worms. It is a type of soil-transmitted helminthiasis and part of a group of diseases called helminthiases.