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Otitis externae peaks at age 7–12 years of age and around 10% of people has had it at least once in their lives. [10] Cerumen impaction occurs in 1 out of every 10 children, 1 in every 20 adults and 1 in every 3 elderly citizens. [10] Barotrauma occurs around 1 in every 1000 people. [5]
Keratosis obturans is a relatively uncommon ear disease, where a dense plug of keratin, formed by abnormal accumulation of desquamated skin in sheet-like layers , forms in the bony (deeper) part of the external auditory canal. [1]
The prevalence of impacted earwax is different across the world. In the United Kingdom 2 to 6% of the population have cerumen that is impacted. In America 3.6% of emergency visits caused by ear issues were due to impacted cerumen. In Brazil 8.4–13.7% of the population have impacted cerumen. [46]
Cerumen (earwax) or foreign body in the external auditory canal; Otitis externa, infection or irritation of the outer ear; Exostoses, abnormal growth of bone within the ear canal; Tumor of the ear canal; Congenital stenosis or atresia of the external auditory canal (narrow or blocked ear canal).
The Weber test is administered by holding a vibrating tuning fork on top of the patient's head. The Weber test is a screening test for hearing performed with a tuning fork. [1] [2] It can detect unilateral (one-sided) conductive hearing loss (middle ear hearing loss) and unilateral sensorineural hearing loss (inner ear hearing loss). [3]
Since the inner ear is not directly accessible to instruments, identification is by patient report of the symptoms and audiometric testing. Of those who present to their doctor with sensorineural hearing loss, 90% report having diminished hearing, 57% report having a plugged feeling in ear, and 49% report having ringing in ear ().
Antipyrine and benzocaine ear drops is a medication for the treatment of ear pain caused by otitis media.It combines antipyrine, an NSAID, and benzocaine, a local anaesthetic in order to treat ear pain, alongside hydroxyquinoline sulfate, an antiseptic and preservative.
The removal of cerumen is also an important step in the treatment of otitis in small animals. [12] Veterinary cerumenolytics possess different potencies. Diocytl sodium sulfosuccinate (DOSS), dioctyl calcium sulfosuccinate , and urea or carbamide peroxide are considered to be potent veterinary cerumenolytics.