There are various types of facial problems such as loss of facial movement due to nerve damage. It can happen on one or both sides of the face, and this can occur at any age. Some times the face can become paralysed and symptoms may be sudden (appearing overnight), or may appear over two or three days, it can include a combination of: facial paralysis on one side (rarely are both sides of the face affected); loss of blinking control on the affected side; decreased tearing; drooping of the mouth to the affected side; altered sense of taste; slurred speech; drooling; pain in or behind the ear.