A white film on the outside of the ear may be caused by dry skin, otitis externa, auricular eczema and other reasons.
1. Dry skin: The skin at the edge of the ear is delicate, and when the body lacks moisture, it will trigger dry skin and peeling phenomenon, which will lead to the symptoms of a white film outside the ear.
2. Otitis externa: Inflammation of the external auditory canal, under the stimulation of the media, the epidermis of the external auditory canal and tympanic membrane will be overgrown and keratinized, resulting in a layer of white film outside the ear symptoms.
3. Auricular eczema: when the patient is exposed to allergens, or long-term anxiety, depression, may be induced by auricular eczema, which is mainly manifested as a layer of white film outside the ear, accompanied by itching and other symptoms.
Therefore, when a white film appears on the outside of the ear and cannot be relieved after excluding the dry skin, the patient should consult a doctor in time, who will clarify the cause of the disease through the corresponding examination and treat it correctly.