1 Lice are transmitted through direct contact with an infested person or his personal objects regardless ofâ¦. 2  Scalp Lice: What They are and How to Deal With Them Scalp lice are rapidly becoming a major problem in the United States.
Skin disease causes of ear itching. Ear itching can also be caused by skin diseases that affect other parts of the body. These include: Eczema (skin rash usually caused by allergic reactions). Neurodermatitis (skin condition, the cause of which is not known, characterized by intense itching).
Measles: This viral infection is another cause of crusty ears. Patients may develop a fever along with skin rashes on the forehead and behind the ears; the rash occurs as patches of small, pinkish, flat spots. Medications are used for alleviation of pain and fever. Ear infections are treated with antibiotics.