What causes my sudden dizziness when I move?
On call
For the past few months, I get dizzy when I turn my head quickly or bend over. What could cause this?The condition is caused by a problem in one of the body's two internal "gyroscopes." Each gyroscope (there is one in each ear) is actually a complex set of canals filled with fluid. In parts of the canal system, cells with hairlike structures coat the inside lining. Floating near the ends of these "hairs" are tiny stones called otoliths.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online Plus (HHO+) to unlock expert-backed health insights, personalized tools, and exclusive resources to feel your best every day.
Here’s what you get with your HHO+ membership:
- Unlimited access to all Harvard Health Online content
- 4 expertly curated newsletters delivered monthly
- Customized website experience aligned to your health goals
- In-depth health guides on topics like sleep, exercise, and more
- Interactive features like videos and quizzes
- Members-only access to exclusive articles and resources
I’d like to subscribe to HHO+ for $4.99/month to access expert-backed content to help make smart, informed decisions about my well-being.
Sign Me UpAlready a member? Login ».
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
