Why are children deaf?

Why do children have deafness after birth? Many parents have this question. There is no history of deafness at home, and parents are not deaf. Why are children deaf when they are born? What are the causes of deafness in children? Causes of deafness in children There are many kinds of diseases, diseases, special circumstances, self-factors, etc., which can cause children to be deaf.

Congenital deafness

Why are children jealous?

Congenital cause

Congenital deafness is related to genetic factors, pregnancy and labor. If pregnant women are infected with rubella, cytomegalovirus, herpes simplex virus, syphilis during pregnancy, they may cause congenital deafness in newborns.

Pregnant women who have taken antidiabetic drugs such as hypoglycemic and aminoglycoside drugs such as gentamicin and kanamycin during pregnancy can also cause fetal deafness. Pregnant women have been exposed to radiation, radiation therapy or thyroid function during pregnancy. Decreased diseases, etc., may also cause neonatal deafness.


Noise is an important factor directly causing hearing loss, and it is also an important cause of deafness in children. When the mother’s mother is in the stomach, if she stays in a noisy environment for a long time, the chances of the child’s deafness are very high after birth. There are also such cases. A baby born after birth will form a relatively imperfect hearing for about one month. If the surrounding environment is severely noisy, it will often cause hearing damage to the child. The measure of noise is measured in decibels. The sound of a light conversation at home is 30 decibels, the normal conversation is 40 decibels, the loud voice is 80 decibels, and the loud voice or tweeter is 90 decibels. Sounds below 40 have no adverse effects on children, and noises above 70 decibels can cause damage to children’s hearing system.


Acquired deafness is related to neonatal asphyxia, neonatal hemolysis, and intrapartum trauma in the production process. If a newborn is infected with a virus such as ECM, JE, measles, scarlet fever, typhoid fever, tuberculous meningitis, flu, mumps, rubella, chickenpox, etc. after birth, it can also cause deafness.

Otitis media

The reason why otitis media is emphasized is that if children are suffering from chronic otitis media, if they are not treated in time, they will often evolve into sensory neural crest. In life, parents often suffer from otitis media due to various negligence. A cold is one of the main causes of otitis media. Preventing a cold can reduce the chance of otitis media. Incorrect snoring can also lead to otitis media. The correct method of blowing your nose: Hold your finger on one side of the nostril with your fingers, and pull out the nose of the other side with a little force. Use the same method to rub the other side. If the infant is breast-feeding in the supine position, because the eustachian tube of the child is relatively straight, and the lumen is short, the inner diameter is wide, and the milk can cause otitis media through the eustachian tube into the middle ear. Therefore, the mother should take the seat when feeding the child, hold the baby in an oblique position, and suck the milk leaf vertically.


Ototoxic drugs are also an important factor in children’s deafness. The drugs that cause deafness mainly include aminoglycoside, salicylic acid, antitumor and alcohol. Common streptomycin, dihydrostreptomycin, neomycin, kanamycin, gentamicin, vancomycin, zirconia, tobramycin, abamycin, polymyxin B, Quinine, aspirin, etc. Although most of the hospitals have now banned these drugs, they are still used in places where the medical level is relatively low, so parents should also pay attention.


When the child is naughty, some parents violently give the children a few slaps; during the festive season, the firecrackers suddenly explode in the child’s ear, and the huge air waves hit the tympanic membrane in the ear canal; when the ear hits the water surface during swimming, the above external force will cause the tympanic membrane to rupture. Perforation directly causes hearing loss.

Peripheral lesion

Lesions of adjacent organs around the ear, sometimes involving the middle ear cavity, cause hearing loss. Such as rhinitis, sinusitis, tonsillitis and so on.

The cause of deafness in children is now said, and I hope that the parents and expectant mothers will pay attention.

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