Hearing Loss Causes & Factors Responsible for Deafness

Hearing loss is a person’s total or partial inability to hear sounds. Hearing loss is of 3 types which are:

  • Conductive Hearing Loss
  • Sensorineural Hearing Loss
  • Mixed Hearing Loss

Among these 3, Mixed hearing loss caused when a person is having both the symptoms of conductive hearing loss and sensorineural hearing loss. Conductive and Sensorineural hearing loss caused by different factors which we are going to discuss in this article.

By the way if you need proper hearing loss treatment, you must consult an audiologist to buy hearing aids. You will get proper consultation to choose the right one for yourself.

Causes of Hearing Loss

Causes of hearing loss depend on the type of hearing loss. Let’s discuss it:

Conductive hearing loss

Conductive hearing loss occurs due to the problem with the ear canal, eardrum, or middle ear and it’s little bones. Causes of Conductive hearing loss include:

  • Ear canal, outer ear or middle ear structure malformation
  • Fluid in the middle ear due to cold
  • Ear Infection
  • Allergies
  • Eustachian Tube Dysfunction
  • Raptured Eardrum
  • Benign Tumors
  • Impacted Earwax
  • Ear Canal Infection
  • Foreign object in the ear
  • Otosclerosis

Sensorineural Hearing Loss

Sensorineural hearing loss occurs due to problems of the inner ear that why it is also known as a nerve-related hearing loss. Causes of sensorineural hearing loss include:

  • Exposure to loud noise
  • Aging
  • Head Trauma’
  • Virus or Disease
  • Autoimmune inner ear disease
  • Heredity
  • Inner ear malformation
  • Meniere’s Disease
  • Otosclerosis
  • Tumors

Some General Causes of hearing loss

Some general causes of hearing loss include:


  • Inherited Hearing Loss – It is a result of genetic specialty passed down from a parent. According to research, there are approx 400 known genetic syndromes that can cause hearing loss like Waardenburg syndrome, Stickler syndrome, Usher syndrome etc.



  • Age-related Hearing Loss – It is a loss of hearing that occurs over time. This type of hearing loss is permanent and is usually greater for higher-pitched tones like the ringing of a telephone and birds chirping. The main symptom of age-related hearing loss is difficulty in understanding conversations, the certain sound seeming annoying or too loud and tinnitus.


  • Noise Induction Hearing Loss – It is caused by prolonged exposure to loud noise. The amount of constant exposure to every day sounds such as traffic, construction work, noisy office environments or loud music can negatively impact your hearing. It is temporary in nature but if left untreated it can become the permanent hearing loss.




  • Illness-related Hearing Loss – There are various illness and disorders which can cause hearing loss. Some of them are:


  • Otosclerosis – It affects the movement of tiny bones in the middle ear that causes a hearing loss but this can be treated with surgery.
  • Meniere’s Disease – The cause of Meniere’s disease is still unknown but it’s symptoms usually includes fluctuating hearing loss, vertigo, and tinnitus.




  • Unilateral Hearing Loss – It is also known as single-sided deafness which causes difficulty in hearing a speech on the affected side and also in locating the source of the side. If it occurs due to a cause that cannot be medically treated then specialized hearing aids called CROS AIDS or Bone Anchored Hearing Aids should be considered. Causes of unilateral hearing loss are:


    • Trauma to the head
    • Autoimmune ear diseases
    • Exposure to excessive noise to one ear
    • Genetic conditions
    • Specific Syndromes
    • Illness and infections


  • Hearing Loss by Drugs – There are a few types of medications that are linked to permanent hearing loss which are known as Ototoxic drugs. Whoever consumes a larger quantities of these drugs might notice the effect of hearing loss These drugs include:


    • Aminoglycoside Antibiotics
    • Aspirin and Non-steroidal anti-inflammatory drugs
    • Chemotherapy drugs


  • Hearing Loss by Head Trauma/Tumors – Hearing loss can also occur by trauma or tumor in the head. This type of hearing loss also include tinnitus or you can also have a sensation of fullness in one or both of the ears. These tumors often treated by medically or surgically and chances of coming back of normal hearing are 50-50.


Hearing Loss Prevention Tips

The steps given below can help you in preventing some types of hearing loss:


  • Protect your ears – Give your ears the best protection by limiting the duration and intensity of exposure to noise. For instance, use plastic earplugs or glycerin filled earmuffs in the workplace to protect your ears from damaging noise.


  • Hearing Test – If you work in a noisy environment then consider a regular hearing test. By this, no matter if you already have lost some hearing but you can take steps to prevent further loss.
  • Avoid Recreational Risks – Activities, like riding a snowmobile, using power tools or listening to rock concerts, can damage the hearing over time. Taking breaks from the noise and wearing hearing protectors like earplugs can help you in the protection of your ears.



Hope the article prove to be useful for you. Thanks for visiting.