II. Causes
- Fungal Otitis Externa
- Allergic Otitis Externa
- Inadequately treated Acute Otitis Externa
- Eczematous Dermatitis
- Psoriasis
- Seborrhea
- Recent Tympanostomy Tube placement (due to drainage)
- Hypersensitivity Reaction to oto-topical agent
-
Allergic Contact Dermatitis
- Metal earrings (esp. nickel)
- Hearing Aid plastic case
- Cosmetics
- Shampoos
IV. Signs
- Erythematous ear canal
- Lichenification may accompany erythema
V. Management
- See Otitis Externa for general measures
- Avoid topical irritants (e.g. soap, Shampoos, cotton swabs)
- Treat specific causes (see above)
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Related Studies
| 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 |
