Enterobius: Difference between revisions
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*Colloquially known as Pinworm (United States), Treadworm (UK and Australia) or Seatworm | *Colloquially known as Pinworm (United States), Treadworm (UK and Australia) or Seatworm | ||
**Medical infectious name: Enterobiasis | **Medical infectious name: Enterobiasis | ||
* | *Worldwide distribution | ||
*Risk factors (prevalence can reach up to 50% in these populations): | *Risk factors (prevalence can reach up to 50% in these populations): | ||
**Age under 18 | **Age under 18 | ||
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==Clinical Features== | ==Clinical Features== | ||
*Pruritus | *Pruritus ani (intense itching of the perianal region) | ||
**Worse at night | **Worse at night | ||
*Rarer symptoms include abdominal pain, appendicitis and infection of the female genital tract | *Rarer symptoms include abdominal pain, appendicitis and infection of the female genital tract | ||
== | ==Evaluation== | ||
*Tape test | *Tape test | ||
**Most common | **Most common | ||
**Touch transparent tape to the perianal region and examine for eggs under the microscope | **Touch transparent tape to the perianal region and examine for eggs under the microscope | ||
*Can also test by examining scrapings under | *Can also test by examining scrapings under patient's fingernails or examining perianal region 2-3 hours after patient falls asleep | ||
*Stool analysis does not work because of low egg burden in stool | *Stool analysis does not work because of low egg burden in stool | ||
== | ==Differential Diagnosis== | ||
*Idiopathic pruritus ani | *Idiopathic pruritus ani | ||
*Helminth infections | *Helminth infections | ||
*Rectal | *Rectal tenesmus | ||
== | ==Management== | ||
*Single dose of Mebendazole or Albendazole | ===Management=== | ||
*Single dose of [[Mebendazole]] or [[Albendazole]] | |||
**Second dose in 2 weeks | **Second dose in 2 weeks | ||
*All family members should be treated at the same time | *All family members should be treated at the same time | ||
===Prevention=== | |||
==Prevention== | |||
*Carefully hand washing after using the toilet, and before and after eating | *Carefully hand washing after using the toilet, and before and after eating | ||
*Thoroughly launder all bedding, clothing, and toys to destroy any lingering eggs | *Thoroughly launder all bedding, clothing, and toys to destroy any lingering eggs | ||
*Launder all bedding every 3-7 days for three weeks | *Launder all bedding every 3-7 days for three weeks | ||
*Wash underwear and pajamas daily for two weeks | *Wash underwear and pajamas daily for two weeks | ||
==External Links== | |||
[http://www.cdc.gov/parasites/pinworm/ CDC: Enterobiasis] | |||
==See Also== | ==See Also== | ||
*[[Parasites]] | *[[Parasites]] | ||
== | ==References== | ||
<references/> | |||
[[Category:ID]] | [[Category:ID]] | ||
[[Category: | [[Category:Tropical Medicine]] | ||
Revision as of 00:39, 22 July 2016
Background
- Colloquially known as Pinworm (United States), Treadworm (UK and Australia) or Seatworm
- Medical infectious name: Enterobiasis
- Worldwide distribution
- Risk factors (prevalence can reach up to 50% in these populations):
- Age under 18
- Institutionalized
- Cohabitation with infected individual
- Humans only known reservoir
- Transmitted by fecal-oral route
- Can survive outside of body for up to 3 weeks
Clinical Features
- Pruritus ani (intense itching of the perianal region)
- Worse at night
- Rarer symptoms include abdominal pain, appendicitis and infection of the female genital tract
Evaluation
- Tape test
- Most common
- Touch transparent tape to the perianal region and examine for eggs under the microscope
- Can also test by examining scrapings under patient's fingernails or examining perianal region 2-3 hours after patient falls asleep
- Stool analysis does not work because of low egg burden in stool
Differential Diagnosis
- Idiopathic pruritus ani
- Helminth infections
- Rectal tenesmus
Management
Management
- Single dose of Mebendazole or Albendazole
- Second dose in 2 weeks
- All family members should be treated at the same time
Prevention
- Carefully hand washing after using the toilet, and before and after eating
- Thoroughly launder all bedding, clothing, and toys to destroy any lingering eggs
- Launder all bedding every 3-7 days for three weeks
- Wash underwear and pajamas daily for two weeks