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08 Jan

What Can You Do About Hearing Loss? - Symptoms Of Hearing Loss

Age-related hearing loss is pretty common. About a quarter of people between the ages of 55 and 65 have some hearing loss. As much as half of the population over the age of 65 are dealing with hearing loss in some form or another.

ear

Not being able to hear well can hurt your overall quality of life. You might miss out on conversations with friends and family, or you might not be able to understand directions. It might be more challenging to enjoy events that take place in crowded areas or to appreciate movies or live plays. Hearing loss can make things more challenging at work as well.

A variety of factors can cause or contribute to hearing loss. In some instances, sounds and voices might seem muffled because you have an excess amount of earwax in the ears. Removing the earwax often helps restore hearing.

Infections, tumors or damage to the eardrum can also cause hearing loss. Long-term, gradual damage to the ears can also lead to hearing loss. For example, going to loud concerts repeatedly over the years can wear out the cilia, or tiny hairs, in the ear canal or can damage the nerves in the cochlea. The damage to the hairs or nerves makes it more difficult for your ears to conduct sounds.

What Are the Symptoms of Hearing Loss?

The primary symptom of hearing loss is the inability to hear sounds. But that difficulty can take several forms depending on the type of impediment. Some of the signs that a person is having trouble hearing include:

  • Listening to TV or radio at a very high volume
  • Asking people to repeat themselves
  • Asking people to speak more slowly or clearly
  • Avoiding specific situations that require listening — such as making phone calls or participating in conversations
  • Trouble hearing or making out words in crowded settings or when there's a lot of background noise
  • Hearing words and sounds as "muffled"
  • Feeling exhausted after a social event or after speaking to others
  • Ringing in the ears

Some sounds become particularly challenging to hear with certain types of hearing loss.

group of people talking

For example, people who have trouble hearing higher pitches or who have lost the ability to hear at high frequencies might not be able to discern the following sounds:

  • Consonant sounds like s, sh, f, v, th, f and p
  • Children's or women's voices, which tend to be higher in pitch than men's voices
  • Beeps such as the ding of a microwave or oven timer
  • Bird songs
  • The blinking noise made by a turn signal on a car

Usually, older people who are beginning to notice the symptoms of hearing loss will adopt certain behaviors as a way to compensate for their difficulties or to deny that the issue is occurring. One prevalent sign that a person is dealing with hearing loss but doesn't want to admit it is if he or she decides to cut out specific life activities, such as participating in social groups or going to the movies.

Another way that people might compensate for not being able to hear is to pretend that they do hear and bluff their way through conversations. For example, a person who was once very chatty and talkative might become quiet and might nod through discussions instead of jumping in.

Often, when an adult is dealing with hearing loss, it's another adult, such as friend or family member, who is the first to speak up. The friend or relative may point out that the person plays a radio or TV too loudly or note that the person talks louder than others in a group setting.

Hearing Loss Symptoms in Adults vs. Children

The symptoms of hearing loss are often slightly different in adults than they are in children. Children who are unable to hear might struggle in school and even be diagnosed with a learning disorder or behavioral problem when the reality is that he or she just can't hear.ear lobe

At an earlier age, children with hearing loss might not startle when a loud noise happens, or they might be slow to learn to speak or to develop language. Sometimes, children with hearing loss have difficulty telling where a particular sound is coming from.

While adults with hearing loss might have symptoms for as long as seven years before they seek treatment, children with hearing loss tend to receive diagnosis and treatment much more quickly.


What Are the Levels of Hearing Loss?

Hearing loss occurs on a spectrum, or in a range. Some people might have a mild degree of hearing loss, while others might be completely deaf. Before you can understand the different levels of hearing loss, it helps to know how sound is measured.

What Are Decibels?

A decibel is a unit of sound. It's a measurement that describes how loud or powerful a noise is when a person is standing near it. For people, the decibel range starts at 0 and goes up to 140.

Decibels are measured logarithmically, which means that a sound that's rated as 10 decibels (dB) is 10 times louder than one rated as 0 dB. Meanwhile, a noise that's 100 times louder than 0 dB is 20 dB.

Here are a few examples of common sounds and their decibel rating:

  • 0 dB - Silence
  • 15 dB - A whispered conversation
  • 60 dB - A conversation at normal volume
  • 90 dB - A lawnmower
  • 120 dB - A rock concert
  • 120 dB - A jet engine
  • 140 dB - Fireworks/firecrackers
  • 140 dB - A gunshot

Sounds above a certain decibel rating can cause hearing loss. Usually, prolonged exposure to sounds above 85 dB can have an adverse effect on your hearing. Certain noises are so loud as to cause you physical pain after prolonged exposure.

ear

For example, think of the last rock concert you attended without wearing ear protection. When you left the venue, it's very likely that you had a tingling or ringing feeling in your ears — because you just spent a few hours listening to sounds at around 120 dB.

Sounds that measure 140 dB occur at what's called the "threshold of pain." These sounds are so loud that they can cause immediate hearing loss and actual physical pain.

What Are Hertz?

While decibels measure how loud sound is, hertz measures its frequency or pitch. The range of hertz found in human speech is between 250 Hz and 8,000 Hz.

When people get their hearing tested, the decibel range and hertz are measured together to determine the level of hearing loss.

Hearing Loss Levels

Hearing loss can occur in several different degrees. Here’s what each level means and how it affects life:

  • Slight hearing loss occurs when you have lost the ability to hear conversation or speech in the 16 to 25 dB range. It's the least severe type of hearing loss.
  • When a person has mild hearing loss, he or she can't hear speech under 40 dB, slightly quieter than a normal conversation.
  • Those with moderate hearing loss can't hear sounds between the 40 and 69 dB range. They might struggle to hear normal conversations.
  • Severe hearing loss means someone can't hear sounds in the 70 to 94 dB range. Individuals with severe hearing loss might try to read lips to understand conversations or may wear hearing aids.
  • People with profound hearing loss are unable to hear sounds under 95 dB, meaning they won't be able to discern normal conversation at all. It can even be difficult for them to hear loud noises. Usually, people with profound hearing loss use hearing aids to help improve their hearing. Some rely on sign language for communication.

How Is Hearing Loss Diagnosed?

Several methods can be used to diagnose hearing loss. One of the first things a doctor might do if he or she suspects that you're dealing with hearing loss is examine your ears.

A physical exam of the ears can reveal if there's an issue with them that is contributing to your hearing issues. For example, in some cases, a buildup of earwax can block the ear canal and muffle sounds.

otoscope

Although the usual advice is to let earwax be, if you have an abundance of it, your doctor might remove it to see if that improves your hearing. Usually, if earwax is the problem, you'll be able to hear better the instant the doctor scoops it out.

The physical exam might reveal other ear issues contributing to hearing loss. For example, tumors in the ear can block the canal and interfere with hearing. If you're dealing with an ear infection, inflammation or swelling in the middle ear can also create hearing difficulties.

If a physical exam doesn't reveal anything unusual in the ears, your doctor might recommend a screening test to evaluate your hearing. An audiologist can also perform the screening.

Hearing tests can take several forms, including:

  • Pure tone testing. During pure tone testing, you're usually asked to wear a pair of headphones. The person conducting the test plays a tone and asks you to indicate whether you heard it or what ear you heard the sound in. You might be asked to say yes after hearing the noise or raise one hand or the other to indicate which ear it played in.
  • Speech tests. During a speech test, you'll be asked to repeat back words spoken to you at a range of decibel levels. During some parts of the test, the words might play without background noise. There might be loud background noise during other parts of the test.
  • Tuning fork tests. Sometimes called a Rinne test or Weber test after the people who invented it, a tuning fork test is an older method used to diagnose hearing loss. During the exam, a doctor uses a tuning fork to measure the vibrations of the inner ear bones and the air outside the ear. The tests can help a doctor determine the type of hearing loss a patient has.
  • Middle ear tests. If a child has hearing loss or shows signs of an audial problem, a doctor might perform a series of tests on the middle ear. Adults don't receive these tests as frequently, as damage to the middle ear is usually not a cause of hearing loss in older people.

What to Do About Hearing Loss in One Ear

It's not uncommon for people to lose hearing in one hear and not the other. Hearing loss in one ear is also called "unilateral hearing loss" or "unilateral deafness." It can come on suddenly or develop gradually.

unilateral deafness in ear

Several things can cause you to lose hearing in one ear, such as injury or a tumor in the ear. In some cases, illness can cause the hearing loss, as can taking certain medications to treat diseases. Medicines that can contribute to hearing loss include certain antibiotics, chemotherapy, diuretics, and taking too much aspirin.

Meniere's Disease

Hearing loss in one ear can also be a symptom of Meniere's disease, a disorder that causes feelings of dizziness and ringing in the ears. Meniere's disease occurs when there is a buildup of fluid in the inner ear, but the specific cause of the disease isn't known.

Usually, doctors prescribe medication, lifestyle changes and injections to treat this issue. While the medications and injections can help relieve the symptoms such as dizziness, they can occasionally make hearing loss worse. In some instances, people with Meniere's disease get better on their own.

Take Hearing Loss in One Ear Seriously

Although losing hearing in just one ear might seem "not as bad" as losing hearing in both ears, it can be very debilitating and should be taken just as seriously as bilateral hearing loss.

For example, losing hearing in one ear can interfere with your ability to hear sounds coming from one direction. If your left ear isn't functioning well, then in the event you're crossing the street and a car comes speeding towards you on the left, you won't be able to hear it. You also won't be able to hold a phone to your left ear during calls.

Treating hearing loss in one ear depends on the cause. If a tumor or infection is behind the hearing loss, your doctor might recommend surgically removing the tumor or might prescribe medicine to clear up the infection. In cases when medication is to blame for the hearing loss, your doctor will advise stopping the medicine or might prescribe another.

You might also benefit from wearing a hearing aid in the affected ear if the hearing loss isn't a result of a disease or other fixable factor.

What to Do About Sudden Hearing Loss

90% of people with sudden deafness lose hearing in just one earSometimes, hearing loss in just one ear occurs suddenly and is known as a type of sudden hearing loss. Sudden hearing loss or sudden deafness can occur either over the course of several days or all at once. In either instance, it is a type of medical emergency. 

Sudden hearing loss isn't too common, as it typically affects fewer than 30 out of 100,000 people each year. About 90 percent of people with sudden deafness lose hearing in just one ear.



Signs of Sudden Hearing Loss

To consider yourself as suffering from sudden hearing loss, you need to have a hearing reduction of greater than 30 dB over the course of 72 hours. You might notice that you're not able to hear a conversation on the phone, or it might seem as though the people you are speaking with are whispering, even if they are talking at a regular volume.

In some instances, people with sudden hearing loss hear a "pop" in their ears right before they are unable to hear anymore. Some people also have dizziness or a ringing in their ears.

ear lobe

Like unilateral hearing loss, sudden deafness can have one of many causes. The tricky thing about it is that the reason is clear in only about 15 percent of cases. The majority of cases of sudden deafness have no known cause.

Identifiable causes of sudden hearing loss include the following:

  • Injury to the head
  • Medications — ototoxic drugs — that damage the inner ear
  • Meniere's disease
  • Dramatic changes in pressure, usually caused by diving
  • Tumors
  • Fistula, or hole, between the middle and inner ear, often present at birth
  • Meningitis
  • Lyme disease
  • Herpes
  • Mumps
  • Autoimmune disorders
  • Multiple sclerosis
  • Problems with blood circulation

Your doctor will likely perform a physical examination, as well as one or more of the hearing tests described above, to determine the cause and degree of sudden hearing loss. He or she might also perform imaging, such as an MRI, to see if any problems with the ear's anatomy could be contributing to the hearing loss.

Treating Sudden Hearing Loss

One of the most common ways to treat sudden hearing loss is with corticosteroids. Steroids help to reduce inflammation and swelling, which can be helpful if there's inflammation associated with the hearing loss. Usually, the steroids come in pill form, but there are cases when they are injected directly into the middle ear.

corticosteroids

Occasionally, sudden hearing loss clears up on its own, without any additional treatment. When the cause isn't known, it's fairly common for hearing to return after about two weeks.

In cases where an ototoxic drug, such as antibiotics or chemotherapy, causes damage, the hearing loss might be permanent. Ototoxic drugs can damage the sensory cells found in the ear. Some people have genes that make them more likely to experience hearing loss when they take certain types of medication.

Since sudden hearing loss can be one of the first symptoms of a long-term condition, it's imperative to see a doctor as soon as possible for full diagnosis and treatment.

Where to Go for a Hearing Test Evaluation

Although it's important to see a doctor in the case of sudden hearing loss, an audiologist can evaluate and diagnose other types of hearing loss, such as hearing loss due to aging. Beltone offers free hearing evaluations to people who are concerned about the state of their hearing.

A hearing test evaluation at Beltone usually involves three steps. An audiologist will first examine your ears. During the exam, the audiologist will use an otoscope to look in the ears to see if there are any signs of damage or any physical defects or abnormalities.

audiologist looking at patient's ears with otoscope

The audiologist will also ask you some questions about your hearing to get a sense of the degree of loss or how long you've been experiencing the issue. Next, the audiologist will perform air and bone conduction tests, which are updated versions of the tuning fork test. Finally, he or she will evaluate how well you're able to make out different words. A word discrimination test can determine the severity of hearing loss.

An understanding of the degree and severity of your hearing loss will allow you to choose the treatment that's most appropriate for you, whether it's medical intervention, hearing aids or another option.

Beltone offers hearing evaluations in its clinics as well at-home screenings and evaluations. Contact us today to book your free hearing evaluation.

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