Conductive Hearing Loss

Learn causes, symptoms and treatments.

What is conductive hearing loss?

Conductive hearing loss (CHL) is a type of hearing difficulty caused by issues with the outer or middle ear. As the name suggests, sound is not conducted effectively through the middle ear and ear drum. Because of this, sound vibrations are significantly diminished before they reach the organs of the inner ear that are responsible for  interpreting those vibrations and delivering sound to the brain.

Types of conductive hearing loss

Many different medical terms can be used to describe specific types of CHL. If the condition only presents on one side of the patient, it is known as unilateral conductive hearing loss. If it presents on both sides, it is known as bilateral conductive hearing loss. CHL can range in severity from mild to moderate, severe, profound or even total.

If the pattern of CHL is the same in both ears, it is described as symmetrical. If it differs in each ear, it is known as asymmetrical. Additionally, CHL can be further described in relation to what frequencies of hearing are affected. Common descriptors related to frequency sensitivity include high-frequency and low-frequency among others. 

If conductive hearing loss only presents on one side of the patient—with one ear affected while the other functions within normal limits—it is known as unilateral conductive hearing loss. 

If Conductive hearing loss presents in both ears, it is known as bilateral conductive hearing loss. 

Symmetrical conductive hearing loss means you’re experiencing CHL to the same degree in both ears. This means the pattern and severity of hearing loss is the same in both ears.

When you experience CHL in both ears but at different levels in each ear, it’s known as asymmetrical conductive hearing loss. 

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What are the signs and symptoms of conductive hearing loss?

The most pronounced symptom of CHL is almost always a decreased ability to hear sounds, especially faint sounds. Other commonly reported signs and symptoms of CHL include the perception of your voice as sounding unusual and a sensation of pain or pressure in one or both ears.

It is difficult, if not nearly impossible, to differentiate CHL from other types of hearing loss without professional testing. If you notice any of these signs or symptoms of possible CHL, be sure to schedule a free hearing exam with a Miracle-Ear hearing specialist today.

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Any of those symptoms sound familiar?

If you or a loved one is experiencing conductive hearing loss, visit us for a free hearing test.

What causes conductive hearing loss?

The causes of CHL are usually ones that affect the physical structure of the outer or middle ear. Conditions such as a tumor in the ear canal, a perforated eardrum or fluid buildup can all result in a CHL. Any condition that results in difficulty conducting sound waves could be the culprit of CHL.

One common cause of CHL is the collection of earwax or other blockage to the ear canal by a foreign body. Thankfully, these types of conditions can usually be remedied without great effort. 

Conductive vs. sensorineural hearing loss

Wondering what the difference is between conductive vs. sensorineural hearing loss? While CHL occurs when sound doesn’t effectively conduct through the middle ear and ear drum, sensorineural hearing loss (SNHL) describes an issue in the inner ear or along the hearing nerve, which is the pathway that connects the inner ear to the brain.

CHL is often treatable when it’s due to an infection or removable obstruction. In contrast, SNHL is generally irreversible. However, Miracle-Ear hearing aids can be an effective treatment option for both types of hearing loss.

How is conductive hearing loss diagnosed?

The most common form of diagnosis for CHL is audiometry in combination with a local examination of the ears, nose, throat and neck and a detailed patient history. The history and physical examination are utilized to detect possible structural issues while the audiometry examines the severity of hearing loss in detail.

Audiometry is a type of hearing test conducted by a hearing specialist on a device known as an audiometer. The result of this test, known as an audiogram, is interpreted by the hearing specialist to determine the type and severity of hearing loss a patient is experiencing.

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How can conductive hearing loss be treated?

Several forms of CHL, depending on the underlying cause, can be treated with medical or surgical techniques. If such techniques aren’t applicable to your form of CHL, it is possible that supportive medical intervention is the most appropriate route of treatment. In those cases, sound amplification with hearing aids is often a warranted approach. 

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We are here to support you

With proper professional guidance and a well-considered plan of intervention, it is possible to minimize the impact of conductive hearing loss on your day-to-day life. Find a Miracle-Ear location near you today to discover your hearing support solutions.

FAQs about conductive hearing loss

It depends. Some cases of conductive hearing loss are treatable and reversible—often when the hearing loss is caused by impacted earwax , a foreign body or an infection. However, other types are permanent.

When testing for hearing loss, an audiologist or hearing care professional (HCP) will perform an audiometry test, along with a physical exam of your ear canals.

To determine if you are dealing with conductive or sensorineural hearing loss, your HCP will also conduct Rinne and Weber tests. A Rinne test compares how well you hear through bone conduction vs. air conduction. A Weber test can help determine if you’re dealing with bilateral or unilateral hearing loss.

It’s possible for tinnitus symptoms to occur when conductive hearing loss is caused by impacted earwax or an acoustic neuroma, which is a noncancerous tumor that grows along the vestibulocochlear nerve that leads from the brain to the inner ear.

The former is very easy to treat, and the latter is often successfully treated with surgery or radiation therapy. Once the cause of the CHL is treated, tinnitus symptoms should resolve.

In cases where conductive hearing loss is permanent and irreversible, hearing aids can be an effective treatment option. Hearing aids can help sound bypass the part of your ear that’s blocked and deliver sound waves to your inner ear. Bone conduction hearing aids are often a great option for those with CHL.

Impacted earwax is a common cause of conductive hearing loss. You can avoid it by not sticking objects such as cotton swabs into your ear canal to clean them. These can unintentionally push earwax deeper into your ear, causing impaction, and can encourage the overproduction of earwax.

However, many types of CHL aren’t easily preventable, such as cases caused by ear infections, allergies, colds and poor Eustachian tube function. Your doctor or HCP can offer guidance on how to deal with this type of temporary CHL when it occurs.

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