Enterobius: Difference between revisions

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==Clinical Features==
==Clinical Features==
*Pruritus Ani (intense itching of the perianal region)
*Pruritus Ani (intense itching of the perianal region)
**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


Revision as of 03:59, 4 January 2015

Background

  • Colloquially known as Pinworm (United States), Treadworm (UK and Australia) or Seatworm
    • Medical infectious name: Enterobiasis
  • World wide 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

Diagnosis

  • 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 pt'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

DDx

  • Idiopathic pruritus ani
  • Helminth infections
  • Rectal Tenesmus

Treatment

  • Mebendazole
  • Albendazole

See Also

Source

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