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).
1 Dogs with ear mites frequently have itchy, reddened and inflamed ears. 2  Ear mites cause brown wax to build up inside the ears. 3  Dogs get ear mites from infected dogs or cats. 4  Ear mites are treatable.