外耳湿疹是指发生在耳廓、外耳道及其周围皮肤的多形性皮疹,多因受药物或其他过敏物质刺激所致,以小儿多见,分为急性、慢性两类。急性湿疹极痒,有黄水样分泌物;慢性湿疹除瘙痒外,外耳皮肤可增厚致外耳道狭窄,表皮脱屑,皲裂,结痂,鼓膜受累者可有轻度传导性耳聋及耳鸣。 Outer ear eczema is a pleomorphic rash that occurs in the auricle, external auditory meatus, and the surrounding skin, mostly due to stimulation by drugs or other allergic substances, more common in children, divided into acute and chronic categories. Acute eczema very itchy, yellowish-like discharge; chronic eczema in addition to pruritus, the outer ear skin can cause thickening of the external auditory canal narrowing, epidermolysis, chapped, crusting, tympanic membrane involvement may have mild conductive deafness and tinnitus.