II. 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

III. Symptoms

IV. Signs

  1. Erythematous ear canal
  2. Lichenification may accompany erythema

V. Management

  1. See Otitis Externa for general measures
  2. Avoid topical irritants (e.g. soap, Shampoos, cotton swabs)
  3. Treat specific causes (see above)
    1. Fungal Otitis Externa
    2. Allergic Otitis Externa

Images: Related links to external sites (from Bing)

Related Studies