Dizziness: Symptom

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Causes

By Mayo Clinic staff

The causes of dizziness are as varied as its symptoms. Dizziness can result from something as simple as motion sickness — the queasy feeling that you get on hairpin roads and roller coasters. Or it can be caused by complicated problems with the balance mechanism in your inner ear. Dizziness is also a rare but possible sign of serious disorders such as stroke and diseases of the heart and blood vessels.

Some causes of dizziness include:

Inner ear problems
Many cases of dizziness are caused by problems that affect the balance mechanism in your inner ear. Examples include:

Reduced blood flow
Dizziness can be caused if your brain doesn't receive enough blood. This can occur for a variety of reasons, including:

Certain medications
Some types of drugs cause dizziness, including some varieties of:

  • Antidepressants
  • Anti-seizure drugs
  • Drugs to control high blood pressure
  • Sedatives
  • Tranquilizers

Other causes of dizziness

Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.

References
  1. Tusa RJ. Dizziness. Medical Clinics of North America. 2009;93:263.
  2. Dizziness and motion sickness. American Academy of Otolaryngology — Head and Neck Surgery. http://www.entnet.org/HealthInformation/dizzinessMotionSickness.cfm. Accessed July 8, 2010.
  3. Huller TE, et al. Approach to the patient with dizziness. In: Flint PW, et al. Cummings Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa.: Mosby Elsevier; 2010. http://www.mdconsult.com/book/player/book.do?method=display&type=bookPage&decorator=header&eid=4-u1.0-B978-0-323-05283-2..00165-8--s0045&uniq=208944929&isbn=978-0-323-05283-2&sid=1022782623#lpState=opened&lpTab=contentsTab&content=4-u1.0-B978-0-323-05283-2..00165-8--s0045%3Btype%3DbookPage%3Bisbn%3D978-0-323-05283-2. Accessed July 8, 2010.
  4. Ferri FF. Dizziness. In: Ferri FF. Ferri's Clinical Advisor 2011. Philadelphia, Pa.: Mosby Elsevier; 2010. http://www.mdconsult.com/book/player/book.do?method=display&type=bookPage&decorator=header&eid=4-u1.0-B978-0-323-05610-6..00039-1--s0175&uniq=208944929&isbn=978-0-323-05610-6&sid=1022782623. Accessed July 8, 2010.
  5. Kerber KA. Vertigo and dizziness in the emergency department. Emergency Medical Clinics of North America. 2009;27:39.
MY00118 Sept. 11, 2010

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