Otitis externa

Inflammation of the external auditory meatus to the eardrum.


Inflammation or infection of the outer ear, a common type of ear and hearing problem; popularly called swimmer’s ear.


Inflammation of the auricle of the external ear leading to the tympanic membrane (eardrum). It may be caused by infection (bacterial, viral, or fungal); allergic reaction to earrings, cosmetics, or drugs; and other factors. Treatment depends on the cause.


Infection or inflammation of the external auditory canal. It may be caused by a contact allergy, an acute bacterial infection, or by fungi. In diabetics and the immunosuppressed patient, the infection may invade the base of the skull, resulting in deep bone infection.


Outer-ear canal inflammation, often resulting from infection, typically leads to swelling, discharge, and, in certain cases, eczema around the ear canal’s entrance. This condition can cause discomfort, itchiness, and pain in the ear, along with pus buildup that may result in temporary deafness.


An infection that affects the entire canal, and occasionally the external ear (pinna), might result from either fungal or bacterial sources. Additionally, the ear can experience inflammation as a component of broader skin conditions like atopic eczema or seborrheic dermatitis.


Frequently, maintaining proper ear hygiene and ensuring a dry environment is sufficient treatment until the infection resolves. Topical solutions containing antibiotics, antifungal agents, or corticosteroids may be applied for localized effects. In cases of severe bacterial infections, oral antibiotics may be prescribed for treatment.


 


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