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).
Other less common causes of chronic ear discharge include 1  : Cancer of the ear canal or tumour in the middle ear. 2  Mastoiditis which is an infection of the mastoid process of the skull which is located behind the external ear. 3  Foreign body in the ear usually occurs in children inserting objects in the ear.