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[Acute external otitis and its differential diagnosis].

M Fischer, A Dietz

Laryngo- Rhino- Otologie

|February 7, 2015

Summary

Acute external otitis, or swimmer's ear, is an ear canal inflammation. Treatment involves ear cleaning, topical medication, and pain relief, with most cases resolving within a week.

Area of Science:

Otolaryngology
Infectious Diseases

Context:

Acute external otitis involves inflammation of the ear canal, potentially affecting the pinna and tympanic membrane.
Predisposing factors include exposure to contaminated water, commonly known as swimmer's ear.
Diagnosis relies on characteristic symptoms like ear pain, itching, and otorrhea, alongside physical findings of ear canal inflammation and pain on manipulation.

Purpose:

To outline the diagnostic criteria for acute external otitis.
To describe the recommended therapeutic strategies for uncomplicated cases.
To highlight precautions for patients with specific ear conditions, such as perforated tympanic membranes or tympanostomy tubes.

Summary:

The condition presents with sudden onset of ear pain, itching, and discharge.

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Physical examination reveals inflamed ear canal and pain upon tragus or pinna manipulation.

Treatment for uncomplicated acute external otitis includes ear canal cleaning, topical medications, and analgesics.

Careful drug selection is necessary for patients with perforated tympanic membranes or tympanostomy tubes to avoid ototoxicity.

Most uncomplicated cases respond well to treatment within 48-72 hours and resolve within 6-7 days.

Impact:

Provides a clear diagnostic and management pathway for acute external otitis.
Emphasizes the importance of avoiding ototoxic medications in specific patient populations.
Facilitates timely and effective treatment, leading to rapid symptom resolution and reduced patient discomfort.