The most common cause of conductive hearing loss in kids and teens is otitis (pronounced: o-tie-tus) media, which is the medical term for an ear infection that affects the middle ear. Ear infections cause a buildup of fluid or pus behind the eardrum, which can block the transmission of sound.
http://kidshealth.org/en/teens/hearing-impairment.html
Signs and symptoms of hearing loss may include: 1  Muffling of speech and other sounds. 2  Difficulty understanding words, especially against background noise or in a crowd of people. 3  Trouble hearing consonants.  Frequently asking others to speak more slowly, clearly and 1  loudly. Needing to turn up the volume of the television or radio.
http://www.mayoclinic.org/diseases-conditions/hearing-loss/basics/symptoms/CON-20027684
Hearing impairment occurs when there's a problem with or damage to one or more parts of the ear. Conductive hearing loss results from a problem with the outer or middle ear, including the ear canal, eardrum, or ossicles.
http://kidshealth.org/en/teens/hearing-impairment.html
Causes and Risk Factors. Hearing loss can happen any time during life – from before birth to adulthood. Following are some of the things that can increase the chance that a child will have hearing loss: A genetic cause: About 1 out of 2 cases of hearing loss in babies is due to genetic causes.
https://www.cdc.gov/ncbddd/hearingloss/facts.html
A hearing loss can happen when any part of the ear is not working in the usual way. This includes the outer ear, middle ear, inner ear, hearing (acoustic) nerve, and auditory system. The signs and symptoms of hearing loss are different for each child.
https://www.cdc.gov/ncbddd/hearingloss/facts.html
Some babies with a genetic cause for their hearing loss might have family members who also have a hearing loss. About 1 out of 3 babies with genetic hearing loss have a “syndrome.” This means they have other conditions in addition to the hearing loss, such as Down syndrome or Usher syndrome.
https://www.cdc.gov/ncbddd/hearingloss/facts.html
Hearing loss, also known as hearing impairment, is a partial or total inability to hear. A deaf person has little to no hearing. Hearing loss may occur in one or both ears. In children hearing problems can affect the ability to learn spoken language and in adults it can cause work related difficulties. In some people, particularly older people, hearing loss can result in loneliness.
https://en.wikipedia.org/wiki/Hearing_impairment
When to see a doctor. If you have a sudden loss of hearing, particularly in one ear, seek immediate medical attention. Talk to your doctor if difficulty hearing is interfering with your daily life. Your hearing may have deteriorated if:
http://www.mayoclinic.org/diseases-conditions/hearing-loss/basics/symptoms/CON-20027684
Hearing loss may be caused by a number of factors, including: genetics, ageing, exposure to noise, some infections, birth complications, trauma to the ear, and certain medications or toxins. A common condition that results in hearing loss is chronic ear infections.
https://en.wikipedia.org/wiki/Hearing_impairment
Treatment for hearing loss varies depending upon the cause of the hearing impairment. Treatment may involve removing wax or dirt from the ear or treating an underlying infection. If there is damage or a structural problem with the eardrum or ossicles, surgery may help to repair it.
http://kidshealth.org/en/teens/hearing-impairment.html
cause of hearing impairment
Genetics, ageing, exposure to noise, some infections, birth complications, trauma to the ear, and certain medications or toxins are the causes of hearing impairment. Genetics, Ageing, Exposure to noise, some infections, Birth complications, trauma to the ear, and certain medications or toxins can cause hearing impairment.