Health problems in people usually appear with age. Hearing loss can have many different causes. For example: Sudden hearing loss in one ear may be due to earwax, an ear infection, a perforated (burst) eardrum. The most common problems are also the problems with your ears. This could pose a serious problem for one person, for example in the field of where they work: if you’re constantly telling people to repeat you what they’ve said you could have problems. You could also have problems by not hearing the horns of any vehicle, especially while you’re walking or driving.