Blisters on the ears may be associated with diseases such as herpes zoster, external ear eczema and acute contact dermatitis.
1. Herpes zoster in the ear: caused by varicella zoster virus infection, the virus invades the facial nerve and auditory nerve to trigger related symptoms, herpes-like lesions can be found in the auricle or external auditory canal, which is manifested as blisters on the ear.
2. Eczema of the outer ear: this disease may be related to allergic reactions, mental factors, neurological dysfunction, endocrine disorders, metabolic disorders, dyspepsia and so on. Examination can see redness and swelling of the skin of the outer ear, scattered erythema, small corn-grain papules and small translucent blisters.
3. Acute contact dermatitis: can be in contact with certain undesirable chemical substances, in the skin mucous membrane contact parts of the acute inflammatory reaction. Typical lesions for the border clear erythema, lesion form and contact with the material, which has papules and papules, severe redness and swelling obvious and blisters and blisters, the latter blisters wall tension, the contents of the clear.
When blisters are found on the ears, it is necessary to actively seek medical treatment and systematic examination in order to clarify the diagnosis and etiology.