Pruritus ani

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Background

Causes

  1. Anorectal disease
  2. Poor hygiene
  3. Local infection
    1. Pinworms, strep
  4. Local irritants
  5. Dermatologic conditions
  6. Systemic illness
  7. Psychogenic factors

Associations

  1. Anal Fissure
  2. Anal Fistula
  3. Hemorrhoids
  4. Rectal Prolapse

Clinical Features

  • Skin appears normal with early, mild cases
  • Acute, severe exacerbations associated with reddened, edematous, excoriated, skin

Differential Diagnosis

Anorectal Disorders

Management

  • Treat underlying cause
  • To avoid scratching at night patient can wear gloves at bedtime
  • Sitz baths 15min TID
  • Zinc oxide can provide protective covering for the skin and may enhance healing

See Also

References