Ascariasis history and symptoms: Difference between revisions
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{{Ascariasis}} | {{Ascariasis}} | ||
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==Overview== | |||
Ascariasis is often asymptomatic. It can sometimes present with pulmonary and abdominal symptoms which are usually mild, however, severe cases of ascariasis occasionally occur especially following mechanical obstruction of a [[viscus]].<ref name="Principles and Practice">Durand, Marlene (2015). "Chapter 288:Intestinal Nematodes (Roundworms)". Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases Updated Edition, Eighth Edition. Elsevier. pp. 3199–3207. ISBN 978-1-4557-4801-3.</ref> | |||
==History and Symptoms== | ==History and Symptoms== | ||
The clinical symptoms vary and it is usually dependent on the worm burden and the involved organ.<ref name="Nelson Textbook of Pediatrics">Kliegman, Robert; Stanton, Bonita; St. Geme, Joseph; Schor, Nina (2016). "Chapter 291:Ascariasis (Ascaris lumbricoides)". Nelson Textbook of Pediatrics Twentieth Edition. Elsevier. pp. 1733–1734. ISBN 978-1-4557-7566-8.</ref> The patient can present with the following signs and symptoms:<ref name="Principles and Practice">Durand, Marlene (2015). "Chapter 288:Intestinal Nematodes (Roundworms)". Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases Updated Edition, Eighth Edition. Elsevier. pp. 3199–3207. ISBN 978-1-4557-4801-3.</ref><ref name="Nelson Textbook of Pediatrics">Kliegman, Robert; Stanton, Bonita; St. Geme, Joseph; Schor, Nina (2016). "Chapter 291:Ascariasis (Ascaris lumbricoides)". Nelson Textbook of Pediatrics Twentieth Edition. Elsevier. pp. 1733–1734. ISBN 978-1-4557-7566-8.</ref> | |||
* It is often asymptomatic | |||
* Pulmonary symptoms from immune-mediated hypersensitivity response can occur in the 2nd week after egg ingestion, and these symptoms can include: | |||
# A low-grade [[fever]] | |||
# A non-productive [[cough]] | |||
# [[Chest discomfort]] | |||
# [[Dyspnea]] in severe cases | |||
# [[Eosinophilic pneumonia]] ([[löffler's syndrome]]) in severe cases- This can present with [[dyspnea]] and [[wheezing]] | |||
* Mild abdominal discomfort | |||
* [[Dyspepsia]] | |||
* Loss of appetite | |||
*[[ Nausea]] | |||
* Passage of worms in vomitus or stool | |||
* [[Poor growth]] and [[malnutrition]] may occur in children | |||
* Mechanical obstruction by the worm can result in signs and symptoms of [[intestinal obstruction]], bile and [[pancreatic duct]] obstruction, and [[appendicitis]] | |||
* Signs and symptoms of a complicated mechanical obstruction can occur such as perforation, [[intussusception]], [[volvulus]]. | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Fatimo Biobaku M.B.B.S [2]
Overview
Ascariasis is often asymptomatic. It can sometimes present with pulmonary and abdominal symptoms which are usually mild, however, severe cases of ascariasis occasionally occur especially following mechanical obstruction of a viscus.[1]
History and Symptoms
The clinical symptoms vary and it is usually dependent on the worm burden and the involved organ.[2] The patient can present with the following signs and symptoms:[1][2]
- It is often asymptomatic
- Pulmonary symptoms from immune-mediated hypersensitivity response can occur in the 2nd week after egg ingestion, and these symptoms can include:
- A low-grade fever
- A non-productive cough
- Chest discomfort
- Dyspnea in severe cases
- Eosinophilic pneumonia (löffler's syndrome) in severe cases- This can present with dyspnea and wheezing
- Mild abdominal discomfort
- Dyspepsia
- Loss of appetite
- Nausea
- Passage of worms in vomitus or stool
- Poor growth and malnutrition may occur in children
- Mechanical obstruction by the worm can result in signs and symptoms of intestinal obstruction, bile and pancreatic duct obstruction, and appendicitis
- Signs and symptoms of a complicated mechanical obstruction can occur such as perforation, intussusception, volvulus.
References
- ↑ 1.0 1.1 Durand, Marlene (2015). "Chapter 288:Intestinal Nematodes (Roundworms)". Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases Updated Edition, Eighth Edition. Elsevier. pp. 3199–3207. ISBN 978-1-4557-4801-3.
- ↑ 2.0 2.1 Kliegman, Robert; Stanton, Bonita; St. Geme, Joseph; Schor, Nina (2016). "Chapter 291:Ascariasis (Ascaris lumbricoides)". Nelson Textbook of Pediatrics Twentieth Edition. Elsevier. pp. 1733–1734. ISBN 978-1-4557-7566-8.