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Musculoskeletal45 papers

Purulent drainage from external ear canal

Last edited: 4/16/2026

Overview

Purulent drainage from the external ear canal often indicates otitis externa (swimmer's ear), characterized by inflammation and infection of the auditory canal. Severe cases may involve external auditory canal hyperostosis, commonly seen in cold-water surfers, leading to complications like tympanic membrane perforations and hearing loss 1.

Diagnosis

  • Presence of purulent discharge from the ear canal
  • Pain and tenderness on otoscopic examination
  • Evidence of canal edema, erythema, or debris 1
  • Consider tympanic membrane integrity; perforations may indicate complications 1

    • Management

  • First-line treatments: Topical antimicrobials (e.g., fluoroquinolones, aminoglycosides) applied directly to the ear canal 1
  • Adjunctive measures: Canal cleaning under sterile conditions to remove debris 1
  • Prevent tympanic membrane injury: Use of Silastic sheeting during surgical removal of hyperostotic bone to protect the tympanic membrane 1

    • Special Populations

  • Surfers and cold-water exposure: Increased risk of hyperostosis; preventive measures and early intervention crucial 1
  • No specific guidelines provided for pregnancy, pediatrics, or elderly populations in the given abstracts 1

    • Key Recommendations

  • Use topical antimicrobials for treating purulent drainage from the external ear canal (Evidence: Moderate) 1
  • Employ Silastic sheeting during surgical interventions to prevent tympanic membrane perforations in cases of severe hyperostosis (Evidence: Expert opinion) 1
  • Monitor and manage cold-water exposure risks in coastal populations prone to hyperostotic changes (Evidence: Expert opinion) 1

    • References

    1 Seftel DM. Ear canal hyperostosis--surfer's ear. An improved surgical technique. Archives of otolaryngology (Chicago, Ill. : 1960) 1977. link

    Original source

    1. [1]
      Ear canal hyperostosis--surfer's ear. An improved surgical technique. — Seftel DM Archives of otolaryngology (Chicago, Ill. : 1960) (1977)
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