Itchy ear edges may be caused by eczema, otitis externa or frostbite.
1. Eczema: Eczema is an inflammation of the epidermis and superficial dermis caused by a variety of factors, with typical symptoms of polymorphic, symmetrical lesions accompanied by intense itching. If the edge of the ear suffers from eczema, it will cause local itching.
2. Otitis externa: Otitis externa is an inflammation of the skin and subcutaneous tissues of the external auditory canal caused by pathogen infection, the typical symptom is pain in the external auditory canal, as well as tenderness, and some patients may experience itchy ear edges.
3. Frostbite: Frostbite is mainly related to environmental factors, is a kind of skin damage that occurs in the cold season, commonly found in the hands, ears, etc. If frostbite occurs on the ear, it will appear the performance of the edge of the ear is very itchy.
There are more causes of itchy ear edges, so it is recommended to consult a doctor for examination and active treatment after a clear diagnosis.