8/23/11

Q&A: Light headed?


Question by gmakes3: Light headed?
I've had a couple of episodes where the room is spinning (just like bed spins) when I open my eyes in the morning but before I sit up. It becomes a slight dizziness or light headedness after I sit up. I had a really bad episode of spinning that caused me to vomit all day. My doctor said it was Labrynthitis (sp?) which is a temporary inner ear disease and gave me an antibiotic. It went away after a few days. But it has been a couple of days since I finished the antibiotic and I am light headed A LOT. I especially feel it if I change my focus: for instance looking from the keyboard to the computer screen. I noticed that I anm making more typing errors than usual too. I have a mild headache around my eyes and cheek bones. I obviously need to go to the doctor again but should I see some kind of specialist? What type of specialist? I am 44y/o and do not drink/drugs.
It is worse when I sit still, better when I am moving. WEIRD!


Best answer:

Answer by Nurse in Ohio
I would say you have vertigo, but I am not your doc. Make your appointment, and ask him/her about vertigo. It is common.

Vertigo occurs when there is conflict between the signals sent to the brain by various balance- and position-sensing systems of the body. Your brain uses input from four sensory systems to maintain your sense of balance and orientation to your surroundings.

Vision provides information about your position and motion in relationship to the rest of the world. This is an important part of the balance mechanism and often overrides information from the other balance-sensing systems.
Sensory nerves in your joints allow your brain to keep track of the position of your legs, arms, and torso. Your body is then automatically able to make tiny changes in posture that help you maintain your balance (proprioception).
Skin pressure sensation provides information about your body's position and motion in relationship to gravity.
A portion of the inner ear, called the labyrinth, which includes the semicircular canals, contains specialized cells that detect motion and changes in position. Injury to or diseases of the inner ear can send false signals to the brain indicating that the balance mechanism of the inner ear (labyrinth) detects motion. If these false signals conflict with signals from the other balance and positioning centers of the body, vertigo may occur.
Common causes of vertigo include:

Inner ear disorders, such as benign paroxysmal positional vertigo (BPPV), Ménière's disease, vestibular neuronitis, or labyrinthitis.
Injury to the ear or head.
Migraine headaches, which are painful, debilitating headaches that often occur with vertigo, nausea, vomiting, and sensitivity to light, noise, and smell.
Decreased blood flow through the arteries that supply blood to the base of the brain (vertebrobasilar insufficiency).
Less common causes of vertigo include:

A noncancerous growth in the space behind the eardrum (cholesteatoma).
Brain tumors and cancer that has traveled from another part of the body (metastatic).
Immediate medical attention is required if vertigo occurs suddenly with loss of function. Vertigo that occurs with loss of function in one area of the body can indicate a problem within the brain, such as a stroke or transient ischemic attack (TIA).

Alcohol and many prescription and nonprescription medications can cause lightheadedness or vertigo. These problems may develop from:

Taking too much of a medication (overmedication).
Alcohol and medication interactions. This is a problem, especially for older adults, who may take many medications at the same time.
Misusing or abusing a medication or alcohol.
Drug intoxication or the effects of withdrawal.
Although dizziness can occur in people of any age, it is more common among older adults. A fear of dizziness can cause older adults to limit their physical and social activities. Dizziness can also lead to falls and other injuries.



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