2. When does ear discharge indicate a serious problem?

A clear ear discharge following a head injury could be due to a fracture in the skull and should be attended to immediately. In addition, ear discharge due to infection should be treated at the earliest to avoid hearing loss.

3. What is the function of wax in the ear?

Wax is normally secreted by the glands lining the ear canal. It protects the ear by trapping dust and microorganisms. It also prevents irritation of the ear canal when it comes in contact with water.