Earwax

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Earwax
Synonyms	Cerumen
Pronounce	N/A
Specialty	Otolaryngology
Symptoms	Hearing loss, earache, tinnitus, itching, dizziness
Complications	Infection, ear canal blockage
Onset
Duration
Types	N/A
Causes	Overproduction, improper cleaning, narrow ear canal
Risks	Use of cotton swabs, hearing aids, earplugs
Diagnosis	Physical examination, otoscopy
Differential diagnosis	Otitis externa, foreign body in ear
Prevention	Avoiding cotton swabs, proper ear hygiene
Treatment	Ear drops, irrigation, manual removal
Medication	Cerumenolytics
Prognosis	N/A
Frequency	Common
Deaths

Earwax, also known as cerumen, is a natural substance produced by glands in the ear canal. It serves to protect, clean, and lubricate the ears. Despite its benefits, excessive or hardened earwax can lead to discomfort, hearing loss, tinnitus, and other problems.

Production and Function

Earwax is produced by ceruminous and sebaceous glands in the outer third of the ear canal. It is a mixture of skin cells, hair, and the secretions of these glands. The primary function of earwax is to protect the skin of the human ear canal, assist in cleaning and lubrication, and also provide some protection from bacteria, fungi, insects, and water.

Types of Earwax

There are two distinct genetically determined types of earwax: the wet type, which is primarily brown and sticky, and the dry type, which is gray and flaky. The type of earwax one has is determined by a single gene.

Problems Caused by Earwax

Excessive or impacted earwax can cause several problems, including discomfort, partial hearing loss, tinnitus, odor, cough, and vertigo. It can also create a blockage in the ear canal, which can lead to infection if not treated.

Treatment

Treatment for excessive or impacted earwax includes over-the-counter ear drops that soften the wax so it can be expelled from the ear, manual removal by a healthcare professional, or irrigation of the ear canal. It is generally not recommended to use cotton swabs or other objects to try to remove earwax, as this can push the wax further into the ear canal and cause impaction.

Gallery

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  Earwax
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  Earwax
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  World map of ABCC11 A Allele
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  An ear-cleaner attending to a man's ear

See Also

• Audiology
• Otolaryngology
• Hearing loss
• Tinnitus
• Vertigo

References

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