Dizziness is very common, but it can be hard to describe. Dizziness is often used to describe a vague sensation of feeling off-balance or of movement. Dizziness can also be described as lightheaded, spaced out, unsteady, or faint.
Dizziness can be often be narrowed down by describing what you feel when it happens. Types of dizziness include: Vertigo
—A sensation of spinning or whirling when you are standing still.
Disequilibrium—A loss of balance or unsteadiness.Lightheadedness—A sensation of your head swimming or floating.
Presyncope—A feeling of lightheadedness just before
. Not everyone who faints may have this feeling, but many do.
Dizziness may be the result of an underlying health condition, medications, or unknown cause. The specific type of dizziness and/or any other symptoms may help determine the cause.
Vertigo may be caused by: Inner ear problems (structural or infectious)Vision problems
Cerebrovascular problems, such as a
transient ischemic attack
Brain disorders, such as a
Heavy metal poisoning
Disequilibrium may be caused by:
Infections, such as a
Cardiovascular disorders, such as
high blood pressure
Endocrine disorders, such as
Cerebrovascular problems, such as a stroke or TIA
Lightheadedness may be caused by: Inner ear problemsLow blood pressureHyperventilationExposure to something upsetting, such as seeing blood
Psychological disorders, such as
anxietySuddenly standing up after sitting for a long period of time
Presyncope may be caused by: Low blood pressure
Cardiovascular problems, such as heart
Dizziness can cause you to feel off balance and increase your risk of falls and injury. To reduce your chance of injury: Don't make sudden movesStand up slowly to allow your body to adjust to the difference in positionAvoid operating heavy machinery, such as a car, until you feel betterUse handrails on stairs or rampsWalk in well-lit areas where you can see betterUse assisted devices, such as a walker or cane to help maintain balanceAvoid activities that cause dizziness
When you start to feel dizzy, slowly sit or lie down until the feeling passes.
Call your doctor for: Dizziness affecting your daily activities, work, or drivingPersistent nausea or vomitingFalls that occur during dizzy spellsProblems with vision or hearingFeelings of anxiety or depression that last longer than 2 weeksFaintingPalpitationsHeadaches that occur with dizziness
Call for emergency medical services right away for: Chest painsLoss of consciousnessInability to walk or standPain or numbness in your arms or legsSymptoms that persist for several minutes without improvementFalls that result in injury
If you think you have an emergency, call for emergency medical services right away.
Dizziness—differential diagnosis. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated December 16, 2011. Accessed April 28, 2014.
Dizziness and vertigo. The Merck Manual Professional Version website. Available at: http://www.merckmanuals.com/professional/ear-nose-and-throat-disorders/approach-to-the-patient-with-ear-problems/dizziness-and-vertigo. Updated October 2013. Accessed April 28, 2014.
Post RE, Dickerson LM. Dizziness: A diagnostic approach. Am Fam Physician. 2010;82(4):361-368.
Last reviewed June 2015 by Fabienne Daguilh, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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