Otolaryngology Book

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Chronic Otitis Externa

Aka: Chronic Otitis Externa
  1. Causes
    1. Fungal Otitis Externa
    2. Allergic Otitis Externa
    3. Inadequately treated Acute Otitis Externa
    4. Eczematous Dermatitis
    5. Psoriasis
    6. Seborrhea
    7. Recent Tympanostomy Tube placement (due to drainage)
    8. Hypersensitivity Reaction to oto-topical agent
    9. Allergic Contact Dermatitis
      1. Metal earrings (esp. nickel)
      2. Hearing Aid plastic case
      3. Cosmetics
      4. Shampoos
  2. Symptoms
    1. Pruritus
    2. Mild Otalgia
  3. Signs
    1. Erythematous ear canal
    2. Lichenification may accompany erythema
  4. Management
    1. See Otitis Externa for general measures
    2. Treat specific causes (see above)
      1. Fungal Otitis Externa
      2. Allergic Otitis Externa

Chronic otitis externa (C0151217)

Concepts Disease or Syndrome (T047)
SnomedCT 53295002
English chronic otitis externa (diagnosis), chronic otitis externa, chronic externa otitis, Chronic otitis externa, Chronic otitis externa (disorder), chronic; otitis externa, otitis; externa, chronic, Chronic otitis externa, NOS, Chronic otitis externa NOS
Dutch chronisch; otitis externa, otitis; externa, chronisch
Spanish otitis externa crónica (trastorno), otitis externa crónica
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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