Otorrhea causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:  Luke Rusowicz-Orazem, B.S. Kiran Singh, M.D. [2]

## Overview

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Common causes of otorrhea include infectious, malignant, and trauma-related aural conditions.

## Causes

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### Common Causes[1][2]

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* Cerebrospinal fluid otorrhea
* Cholesteatoma
* Foreign body
* Malignant otitis externa
* Mastoiditis
* Otitis media with perforated tympanic membrane
* Otitis externa

### Causes by Organ System

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Cardiovascular | No underlying causes

|

Chemical/Poisoning | Contaminated water
Dental | No underlying causes
Dermatologic | Dermatitis of the external canal, Epidural abscess, Infectious eczematoid dermatitis
Drug Side Effect | No underlying causes
Ear Nose Throat | Aural polyps, Cerebrospinal fluid otorrhea, Cholesteatoma, Chronic otitis media, Infectious myringitis, Malignant otitis externa, Mastoiditis, Myringitis, Occult cholesteatoma, Otitis externa, Otitis media with perforated tympanic membrane
Endocrine | Adenoidal hypertrophy
Environmental | Foreign body
Gastroenterologic | No underlying causes
Genetic | No underlying causes
Hematologic | No underlying causes
Iatrogenic | [[Prolonged topical antimicrobial use]
Infectious Disease | Actinomyces, Aspergillus, Candida albicans, Chronic otitis media, Epidural abscess, Haemophilus influenzae, Infectious eczematoid dermatitis, Infectious myringitis, Mastoiditis, Moraxella catarrhalis, Prolonged topical antimicrobial use, Pseudomonas aeruginosa, Streptococcus pneumoniae, Tuberculosis
Musculoskeletal/Orthopedic | Basilar skull fracture, Cerebrospinal fluid otorrhea
Neurologic | No underlying causes
Nutritional/Metabolic | No underlying causes
Obstetric/Gynecologic | No underlying causes
Oncologic | Aural polyps, Cholesteatoma, Malignant tumor, Occult cholesteatoma
Ophthalmologic | No underlying causes
Overdose/Toxicity | No underlying causes
Psychiatric | No underlying causes
Pulmonary | Tuberculosis
Renal/Electrolyte | No underlying causes
Rheumatology/Immunology/Allergy | Granulation tissue, Immunodeficiency
Sexual | No underlying causes
Trauma | Basilar skull fracture, Otitis media with perforated tympanic membrane, Skull fracture, Trauma, Tympanic membrane rupture
Urologic | No underlying causes
Miscellaneous | No underlying causes

### Causes in Alphabetical Order

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* Actinomyces
* Adenoidal hypertrophy
* Aspergillus
* Aural polyps
* Basilar skull fracture
* Candida albicans
* Cerebrospinal fluid otorrhea
* Cholesteatoma
* Chronic otitis media
* Contaminated water
* Dermatitis of the external canal
* Epidural abscess
* Foreign body
* Granulation tissue
* Haemophilus influenzae
* Immunodeficiency
* Infectious eczematoid dermatitis
* Infectious myringitis
* Malignant otitis externa
* Malignant tumor
* Mastoiditis
* Moraxella catarrhalis
* Myringitis
* Occult cholesteatoma
* Otitis externa
* Otitis media with perforated tympanic membrane
* Prolonged topical antimicrobial use
* Pseudomonas aeruginosa
* Skull fracture
* Streptococcus pneumoniae
* Trauma
* Tuberculosis
* Tympanic membrane rupture

## References

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1. ↑ Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:77 ISBN 1591032016
2. ↑ Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:68 ISBN 140510368X

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