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Posts: 40
Reply with quote  #1 
Hello all,

I'm just wondering how most everyone gets their Hyperacusis.

1) Was there a major stressor when it hit?

2) Was it exposure to loud noise?

3) Was it after an ear infection?

4) Other?



Posts: 1,378
Reply with quote  #2 
My impressoin (and that's all this is) would be the following in rank order:
1. noise exposure  2. TMJ  3. blow to the head or neck

Please resist the temptation to pick apart my post by quoting it piece by piece.

Posts: 321
Reply with quote  #3 

Many years ago, Jack Vernon, head of the American Tinnitus Association in Portland, Ore., told me that basically two things caused tinnitus and hyperacusis: noise and medicine.

He said both constrict the blood vessels, including those very small ones which supply oxygen and nutrients to the inner ear.

This makes sense, in that, stop or severely slow oxygen to the brain or heart, for example, and the same thing happens, the organ dies or is damaged.

Medicine we can need. I got off of my anti-depressants by a series of bad events and it was the worst experience of my life, and I'm still paying for it through damage that it caused.  

So, noise closes down the vessels that bring oxygen to the cochlea/ inner ear. So, stay away from noise.  


Posts: N/A
Reply with quote  #4 
I will list some common causes, however, remember, no one has really done much research on this condition........

1) Noise related incidents or noise exposure, often produces hearing loss, tinnitus, and reduced tolerance for sounds (hyperacusis).

2) Whiplash or head injury, trauma, force to the head or neck area, which can tear central nervous system nerves (diffuse axonal damage) which for unknown reasons, can cause H

3) Medications or Recreational Drug use:  everything from central nervous system chemicals to all sorts of recreational drugs to anesthesia to peculiar reactions to prescribed meds can cause hyperacusis

4) Surgery around the head or neck, can trigger hyperacusis

5) Hormone conditions that can interfere with the functioning of the secretions in the body including thyroid problems, menopause, or other things like fibromyagia, MS, lupus

6) Diseases: HIV, brain tumors, fevers, viruses, ear infections that invade the cochlea and probably trigger toxins to damage cells, inflammatory conditions of all sorts can impact the auditory system anywhere along the pathway

7) Dental procedures or TMJ, often where the jaw joints deteriorate and put pressure on the array of nerves that run thru the middle ear space

8) Middle Ear Sytem problems: overactive middle ear muscles or tendons or ligaments, loose or mis-firing bones that are adding amplication to the sound passing thru

9) Overactive Outer Hair Cells:  misfiring outer hair cells are increasing amplitude of the sounds instead of damping or acting neutrally.  Happens as a result of instruction from the central nervous system, for some reason, the behavior does not shut off as in normal ears

10) Can also be induced and intensified with the use of ear plugs or noise-isolation behaviors, over time.  Very clearly, H worsens when ear plugs are over used and when a person withdraws into silence.

That is what comes to mind, tonight.

Just for Hyperacusis.

Dr. J

Posts: 1
Reply with quote  #5 
    I developed hyperacusis after surgery to place a shunt in my inner ear to drain excess fluid. I have Meniers which caused extreme dizziness.The shunt took care of the dizziness but left me with H.The doctor laughed off the sensitivity to sound;he was pleased that the dizziness was gone.The surgery was a success as far as he was concerned.

Posts: 193
Reply with quote  #6 
An important trigger that hasn't yet been mentioned is
Lyme infection, the cause of both my hyperacusis and
photophobia (along with a lot of other things).

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