Acquired hearing loss is the type of hearing loss that occurs or develops some time during the lifespan but is not present at birth. Acquired hearing loss is different from congenital deafness, because congenital deafness is defines the exact time when a person became deaf, while acquired deafness does not know the exact time when the hearing loss occurred. Acquired hearing loss can happen due to a variety of reasons. However, the number one reason is a genetic condition. If a child’s parents have some kind of hearing loss, it is very likely that the child will inherit it as well. there are, of course, other reasons why hearing loss happens. People can be affected by very loud noise which can cause deafness. Other reasons for acquired deafness are: ear infections, medications toxic to the ear, meningitis, measles, chicken pox, flu, mumps, head injury etc. Ear infections that cause hearing loss usually occur with small children, mostly babies. That is why it is important to know the symptoms of ear infections with small children, to prevent any further issues, as deafness. Measles, chicken pox, meningitis etc are all diseases which occur with children. If it is treated properly and at the right time, nothing serious can of it.