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Benign positional vertigo

Definition

Benign positional vertigo is the most common type of vertigo. Vertigo is the feeling that you are spinning or that everything is spinning around you. It may occur when you move your head in a certain position.

Alternative Names

Vertigo - positional; Benign paroxysmal positional vertigo; BPPV: dizziness- positional

Causes, incidence, and risk factors

Benign positional vertigo is also called benign paroxysmal positional vertigo (BPPV). It is caused by a problem in the inner ear.

The inner ear has fluid-filled tubes called semicircular canals. When you move, the fluid moves inside these tubes. The canals are very sensitive to any movement of the fluid. The sensation of the fluid moving in the tube tells your brain the position of your body. This helps you keep your balance.

BPPV occurs when a small piece of bone-like calcium breaks free and floats inside the tube. This sends confusing messages to your brain about your body's position.

BPPV has no major risk factors. However, your risk for developing BPPV may increase if you have:

  • Family members with BPPV
  • Had a prior head injury (even a slight bump to the head)
  • Had an inner ear infection called labyrinthitis

Symptoms

BPPV symptoms include:

  • Feeling like you are spinning or moving
  • Feeling like the world is spinning around you
  • Loss of balance
  • Nausea and vomiting
  • Hearing loss
  • Vision problems, such as a feeling that things are jumping or moving

The spinning sensation:

  • Is usually triggered by moving your head
  • Often starts suddenly
  • Lasts a few seconds to minutes

Certain positions can trigger the spinning feeling:

  • Rolling over in bed
  • Tilting your head up to look at something

Signs and tests

To diagnose BPPV, your health care provider may perform a test called the Dix-Hallpike maneuver.

  • Your provider holds your head in a certain position. Then you are asked to lie quickly backward over a table.
  • As you do this, your provider will look for abnormal eye movements and ask if you feel like you are spinning.

If the Dix-Hallpike test doesn't show a clear result, you may be asked to do other tests.

Your provider will do a physical exam and ask about your medical history. You may have brain and nervous system (neurological) tests to rule out other causes. These may include:

Treatment

Your provider will do a procedure called Epley's maneuver. It can move the small piece of calcium that is floating inside your inner ear. This treatment works best to cure BPPV. Other exercises don't work as well.

Some medicines can help relieve spinning sensations.

  • Antihistamines
  • Anticholinergics
  • Sedative-hypnotics

However, these medicines often do not work well for treating vertigo.

To keep your symptoms from getting worse, avoid the positions that trigger it.

Expectations (prognosis)

BPPV is uncomfortable, but it can usually be treated with Epley's maneuver. It may come back again without warning.

Complications

People with severe vertigo may get dehydrated due to frequent vomiting.

Calling your health care provider

Call your health care provider if:

  • You develop vertigo
  • Treatment for vertigo doesn't work

Get immediate medical help if you also have symptoms such as:

  • Weakness
  • Slurred speech
  • Vision problems

These may be signs of a more serious condition.

Prevention

Avoid head positions that trigger positional vertigo.

References

Bhattacharyya N, Baugh RF, Orvidas L, Barrs D, Bronston LJ, Cass S, et al. Clinical practice guideline: Benign paroxysmal positional vertigo. Otolaryngology: Head & Neck Surgery. 2008; 139 (5 Suppl 4): S47-S81.

Crane BT, Schessel DA, Nedzelski J, Minor LB. Peripheral vestibular disorders. In: Cummings CW, Flint PW, Haughey BH, et al, eds. Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 165.

Post RE, Dickerson LM. Dizziness: a diagnostic approach. Am Fam Physician. 2010;82:361-369.


Review Date: 9/25/2013
Reviewed By: Joseph V. Campellone, MD, Department of Neurology, Cooper University Hospital, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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