What causes itchy ears?

Itchy ears can be caused by various factors, mainly including: 1. Ear diseases: Such as otomycosis (fungal infection of the external auditory canal), otitis media, foreign bodies in the ear, and ear psoriasis. These conditions can irritate the skin and mucous membranes of the ear, causing itching. 2. Systemic diseases:全身性疾病：Conditions such as diabetes, common cold, and biliary tract disease may also affect the ear, leading to ear skin infections or dryness, which can cause itching. 3. Unhealthy lifestyle habits: Habitual ear picking is a significant factor in worsening ear itching and may also lead to symptoms such as ear congestion and pus discharge. 4. Allergies: Drug allergies or food allergies can also cause ear itching, although symptoms typically subside after discontinuing the medication or avoiding the allergen. If you experience symptoms of itchy ears, it is advisable to seek medical attention promptly.