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Ascariasis

  • Overview
  • Theory
  • Diagnosis
  • Management
  • Follow up
  • Resources
Last reviewed: 19 Sep 2025
Last updated: 04 Jul 2023

Summary

Definition

病史和体格检查

关键诊断因素

  • travel to, or immigration from, endemic areas with poor sanitation, hygiene, and agricultural practices
完整详情

其他诊断因素

  • asymptomatic
  • co-infection with other parasites
  • developmental delay
  • malnutrition
  • fever
  • cough
  • wheezing
  • dyspnea
  • hemoptysis
  • hypoxia
  • tachypnea
  • rhonchi, rales
  • retractions
  • urticarial skin lesions
  • abdominal pain
  • anorexia
  • dyspepsia
  • nausea
  • vomiting
  • diarrhea
  • constipation
  • abdominal distension
  • reduced or absent bowel sounds
  • hypotension
  • RUQ tenderness
  • hepatomegaly
  • jaundice
  • signs/symptoms of iron deficiency anemia or kwashiorkor
完整详情

危险因素

  • history of travel to or residence in endemic areas
  • children <14 years
  • poverty
  • poor sanitation
  • poor hygiene
  • warm climate
  • contact with pigs
完整详情

诊断性检查

首要检查

  • stool microscopy
  • chest x-ray
  • abdominal x-ray
完整详情

需考虑的检查

  • sputum/gastric aspirate microscopy
  • CBC
  • contrast study
  • barium follow-through
  • abdominal ultrasound
  • abdominal CT
  • ERCP
完整详情

新兴检查

  • antibodies to Ascaris lumbricoides
  • serum IgE
  • interleukin (IL)-4, IL-5, and IL-13
  • urine-based gas liquid chromatography

治疗流程

急症处理

asymptomatic

pneumonitis

gastrointestinal symptoms

撰稿人

作者

Michael Cappello, MD

Professor of Pediatrics, Microbial Pathogenesis, and Public Health

Yale School of Medicine

New Haven

CT

利益声明

MC declares that he has no competing interests.

鸣谢

Dr Michael Cappello would like to gratefully acknowledge Dr Samantha H. Johnston and Dr Claire Panosian, previous contributors to this topic.

利益声明

SHJ owns a share in a company (Merck & Co., Inc.) that produces ivermectin, an alternative therapy for ascariasis. CP declares that she has no competing interests.

同行评议者

Yann Meunier, MD

Director

Stanford Health Promotion Network

Stanford School of Medicine

Palo Alto

CA

利益声明

YM declares that he has no competing interests.

Mohammad Bagher Rokni, PhD

Associate Professor

Department of Medical Parasitology and Mycology

School of Public Health

Tehran University of Medical Sciences

Iran

利益声明

MBR declares that he has no competing interests.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

参考文献

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

关键文献

World Health Organization. Soil-transmitted helminthiasis. Jan 2023 [internet publication].全文

Centers for Disease Control and Prevention. Parasites - ascariasis: resources for health professionals. May 2020 [internet publication].全文

World Health Organization. Preventive chemotherapy to control soil-transmitted helminth infections in at-risk population groups. September 2017 [internet publication].全文

Khuroo MS. Ascariasis. Gastroenterol Clin North Am. 1996;25:553-577. 摘要

参考文献

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.

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