Otitis Externa - I
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Inflammation of the skin lining of the external auditory canal.
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Types:
1. Bacterial:
• Diffuse otitis externa.
• Localized otitis externa (furunculosis).
• Necrotizing otitis externa.
2. Fungal:
• Otomycosis.
3. Viral:
• Herpes zoster oticus.
• Herpes simplex.
4. Parasitic:
• Aural myasis (Larvae of flies).
5. Allergic: edema of the external canal with painful vesicles.
Associated with skin eczemas and history of allergen contact.
6. Seborrhoeic: associated with scalp seborrhoeic dermatitis.
Tags: Otitis, Otitis Externa, Myiasis, Otomycosis
Category: ENT Notes
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