What is dizziness?

Under normal circumstances, your sense of balance is controlled by a number of signals that your brain receives from several locations: Eyes. No matter what your position, visual signals help you determine where your body is in space and how it's moving. Sensory nerves. These are in your skin, muscles and joints. Sensory nerves send messages to your brain about body movements and positions. Inner ear. The organ of balance in your inner ear is the vestibular labyrinth. It includes loop-shaped structures (semicircular canals) that contain fluid and fine, hair-like sensors that monitor the rotation of your head. Near the semicircular canals are the utricle and saccule, which contain tiny particles...

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Also known as vertigo, Dizzyness, loss of balance, lightheaded, Lightheadedness, Light-Headedness, Light Headedness, Orthostasis, lightheadedness - dizzy, light-headedness - dizzy
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dizziness information from trusted sources:


Dizziness is a term used to describe everything from feeling faint or lightheaded to feeling weak or unsteady. Dizziness that creates the sense that you or your surroundings are spinning or moving is called vertigo.

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Dizziness is light-headedness, feeling like you might faint, being unsteady, loss of balance, or vertigo (a feeling that you or the room is spinning or moving). Most causes of dizziness are not serious and either quickly get better on their own or are easily treated.

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Dizziness is a common description for many different feelings. The feeling of dizziness may be very familiar to you, yet difficult to describe. Vertigo is a medical term to describe the feeling of spinning, whirling, or motion either of yourself or your surroundings. This is the same feeling you might have after getting off a merry-go-round or spinning in place. Several diseases of the balance organs of the inner ear can cause vertigo, or it may be a symptom of a tumor or stroke.


Vertigo is the sensation that you or the environment around you is moving or spinning. It is commonly caused by a problem with the balance mechanisms within the inner ear.

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Vertigo (VER-ti-go) is a type of dizziness. It is a false feeling that you are moving or that everything is spinning around you. Vertigo is a symptom that may be caused by diseases or conditions that affect the vestibular system. This system helps keep you in balance, even while you are moving, and includes the inner ear, nerves, and brain. The inner ear contains the nerve of the ear and small organs that help you hear and maintain your balance. The inner ear is filled with fluid that acts as a sensor when you change the position of your head.

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Dizziness: Lightheadedness and Vertigo Causes, Symptoms, and Treatment

Jan 13, 2009 ... Dizziness is a word that is often used to describe two different sensations. It is important to know exactly what you mean when you say.

Read more on www.webmd.com

Dizziness (Dizzy, Lightheadedness) Causes, Symptoms, Diagnosis ...

Mar 11, 2011 ... Dizziness may be caused or attributed by a wide variety of things. Some of the causes of dizziness require immediate medical attention. ...

Read more on www.medicinenet.com

Dizziness - Wikipedia, the free encyclopedia

Dizziness refers to an impairment in spatial perception and stability. It is considered imprecise. It can be used to mean vertigo, presyncope, ...

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Dizziness, Vertigo, and Imbalance: eMedicine Neurology

Jan 14, 2010 ... Overview: Dizziness and vertigo are among the most common symptoms causing patients to visit a physician (as common as back pain and ...

Read more on emedicine.medscape.com

Dizziness definition - Medical Dictionary definitions of popular ...

Mar 26, 1998 ... Dizziness: Painless head discomfort with many possible causes including disturbances of vision, the brain, balance (vestibular) system of ...

Read more on www.medterms.com


Dizziness can increase your risk of falling and injuring yourself. Experiencing dizziness while driving a car or operating heavy machinery can increase the likelihood of an accident. You may also experience long-term consequences if an existing health condition that may be causing your dizziness goes untreated.

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Home Care
If you tend to get light-headed when you stand up, avoid sudden changes in posture.

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Lifestyle and home remedies
If you experience dizziness, consider these tips: Be aware of the possibility of losing your balance, which can lead to falling and serious injury. Fall-proof your home by removing tripping hazards such as area rugs and exposed electrical cords. Use nonslip mats on your bath and shower floors. Sit or lie down immediately when you feel dizzy. Avoid driving a car or operating heavy machinery if you experience frequent dizziness. Use good lighting if you get out of bed at night. Walk with a cane for stability. Avoid using caffeine, alcohol and tobacco. Excessive use of these substances can restrict your blood vessels and worsen your signs and symptoms. Work closely with your doctor to manage...

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Medical advice
Call 911 or go to an emergency room if someone with dizziness also has:A head injury ; Fever over 101°F, headache, or very stiff neck ; Convulsions or ongoing vomiting ; Chest pain, heart palpitations, shortness of breath, weakness, inability to move an arm or leg, or change in vision or speech ; Fainting and losing consciousness for more than a few minutes; You have never had dizziness before. ; Symptoms you have had in the past are different (for example, last longer than usual, are worse...

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Preparing for your appointment
Your family doctor or general practitioner will probably be able to diagnose and treat the cause of your dizziness. However, in some cases you may be referred to a specialist such as an ear, nose and throat (ENT) specialist or a neurologist.

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Promptly treat ear infections, colds, flu, sinus congestion, and other respiratory infections. This may help prevent labyrinthitis and Meniere's disease.

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Characteristics of dizziness may include: A sense that you or your surroundings are spinning or moving (vertigo); A loss of balance; Nausea; Unsteadiness; Wooziness; Lightheadedness; Faintness; Weakness; Fatigue; Difficulty concentrating; Blurred vision during quick head movements

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Tests and diagnosis
Doctors can usually determine the cause of dizziness. To pinpoint what's causing your symptoms, you may be asked to perform positioning tests in the office so that your doctor can observe you and ask how you feel when you tip your head back or lie on a particular side.

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Treatments and drugs
Doctors base treatment of dizziness on the cause and your symptoms.

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What to Expect at Your Office Visit
Light-headedness happens when there is not enough blood getting to the brain. This can happen if there is a sudden drop in your blood pressure or you are dehydrated from vomiting, diarrhea, fever, or other causes. Many people, especially as they get older, experience light-headedness if they get up too quickly from a lying or seated position. Light-headedness often accompanies the flu, hypoglycemia, common cold, or allergies.

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