Ver el código de «Otitis externa»

==Background==
===Microbiology===
*[[Staph]]/[[Strep]]
*[[Pseudomonas]]
*[[Enterobacter]]
*[[Proteus mirabilis]]
*Fungus
**[[Aspergillus]], [[candida]] (may present after antibiotic treatment)

===Risk Factors===
*Swimming
*Excessive Q-tip use

==Diagnosis==
;Rapid onset (generally within 48 hours) in the past 3 weeks, AND.<ref name="CPGENT2014">Clinical Practice Guideline: Acute Otitis Externa Executive Summary. Otolaryngology -- Head and Neck Surgery 2014 150: 161 DOI: 10.1177/0194599813517659 [http://www.aepap.org/sites/default/files/otitis_externa_guia2014-rosenfeld-161-8_0.pdf PDF]</ref>
* ''Symptoms'' 
**otalgia (often severe)
**itching, or fullness, WITH OR WITHOUT 
**hearing loss or jaw pain AND...
* ''Signs''
**tenderness of the tragus, pinna, or both OR 
**diffuse ear canal edema, erythema, or both WITH OR WITHOUT 
**otorrhea
**regional lymphadenitis
**tympanic membrane erythema, or 
**cellulitis of the pinna and adjacent skin

==Differential Diagnosis==
{{Ear DDX}}

==Treatment==
===Hygiene===
*Cean the ear canal ([[EBQ:Evidence Levels|Grade C]])<ref name="name" />
**Cerumen wire loop or cotton swab usually works best
**1:1 dilution of 3% hydrogen peroxide if tympanic membrane is visible and intact
**'''Place a wick if the ear canal is fully obstructed''' 
===Analgesia===
**[[NSAIDs]]
===Prevention===
Keep ear canal dry
*Abstain from water sports for 7-10 days
===Antibiotics===
{{Otitis Externa Antibiotics}}

==Disposition==
*F/u in 1-2wks for pts with moderate disease 

==See Also==
*[[Otitis Media (Peds)]]
*[[Malignant Otitis Externa]]

==Source==
<references/>

[[Category:ENT]]
[[Category:ID]]