Learn About Otitis

What is the definition of Otitis?

Otitis is a term for infection or inflammation of the ear.

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What are the alternative names for Otitis?

Ear infection; Infection - ear

What are the causes of Otitis?

Otitis can affect the inner or outer parts of the ear. The condition can be:

  • Acute ear infection -- Starts suddenly and lasts for a short period of time. It is often painful.
  • Chronic ear infection -- Occurs when the ear infection does not go away or keeps coming back. It may cause long-term damage to the ear.

Based on location otitis can be:

  • Otitis externa (swimmer's ear) -- Involves the outer ear and ear canal. A more severe form can spread into the bones and cartilage around the ear.
  • Otitis media (ear infection) -- Involves the middle ear, which is located just behind the eardrum.
  • Otitis media with effusion -- Occurs when there is thick or sticky fluid behind the eardrum in the middle ear, but there is no ear infection.
Ear anatomy
Medical findings based on ear anatomy
Middle ear infection (otitis media)
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What are the latest Otitis Clinical Trials?
Effectiveness of Analgesic Ear Drops as add-on Treatment to Oral Analgesics in Children With Acute Otitis Media: a Pragmatic Randomised Controlled Trial

Summary: This trial aims to investigate whether analgesic ear drops added to usual care provide superior ear pain relief over usual care alone in children presenting to primary care with AOM. Children will be randomly allocated (ratio 1:1) to either 1) lidocaine hydrochloride 5mg/g ear drops (Otalgan) 1-2 drops up to six times daily for a maximum of 7 days in addition to usual care (oral analgesics, with/w...

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Diagnostic Utility of the Otosight Middle Ear Scope in Acute Otitis Media

Summary: Evaluate clinic workflow impact of OtoSight use for patients seen in the pediatric otolaryngology clinic.

What are the Latest Advances for Otitis?
How Can Dupilumab Cause Eosinophilic Pneumonia?
Antibiotic Use in Acute Upper Respiratory Tract Infections.
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Balloon Dilation of the Eustachian Tube: A Randomized Controlled Trial with 6 Months Follow-Up.
Who are the sources who wrote this article ?

Published Date: July 28, 2022
Published By: Charles I. Schwartz, MD, FAAP, Clinical Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, General Pediatrician at PennCare for Kids, Phoenixville, PA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

What are the references for this article ?

Chole RA, Sharon JD. Chronic otitis media, mastoiditis, and petrositis. In: Flint PW, Francis HW, Haughey BH, et al, eds. Cummings Otolaryngology: Head and Neck Surgery. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 140.

Pelton SI. Otitis externa, otitis media, and mastoiditis. In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 61.

Pham LL, Bourayou R, Maghraoui-Slim V, Kone-Paut I. Otitis, sinusitis and related conditions. In: Cohen J, Powderly WG, Opal SM, eds. Infectious Diseases. 4th ed. Philadelphia, PA: Elsevier; 2017:chap 26.