Lightheadedness - dizzy; Loss of balance; Vertigo
Dizziness is a term that is often used to describe 2 different symptoms: lightheadedness and vertigo.
Lightheadedness is a feeling that you might faint.
Vertigo is a feeling that you are spinning or moving, or that the world is spinning around you. Vertigo-associated disorders is a related topic.
Most causes of dizziness are not serious, and they either quickly get better on their own or are easy to treat.
Lightheadedness occurs when your brain does not get enough blood. This may occur if:
Lightheadedness may also occur if you have the flu, low blood sugar, a cold, or allergies.
More serious conditions that can lead to lightheadedness include:
If any of these serious disorders are present, you will usually also have symptoms like chest pain, a feeling of a racing heart, loss of speech, change in vision, or other symptoms.
Vertigo may be due to:
Other causes of lightheadedness or vertigo may include:
If you tend to get lightheaded when you stand up:
If you have vertigo, the following tips can help prevent your symptoms from becoming worse:
Avoid activities such as driving, operating heavy machinery, and climbing until 1 week after your symptoms disappear. A sudden dizzy spell during these activities can be dangerous.
Call your local emergency number (such as 911) or go to an emergency room if you are dizzy and have:
Call your health care provider for an appointment if you have:
Your provider will perform a physical exam and ask questions about your medical history and symptoms, including:
Tests that may be done include:
Your provider may prescribe medicines to help you feel better, including:
Surgery may be needed if you have Meniere disease.
Baloh RW, Jen JC. Hearing and equilibrium. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 428.
Chang AK. Dizziness and vertigo. In: Walls RM, Hockberger RS, Gausche-Hill M, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 9th ed. Philadelphia, PA: Elsevier; 2018:chap 16.
Muncie HL, Sirmans SM, James E. Dizziness: approach to evaluation and management. Am Fam Physician. 2017;95(3):154-162. PMID: 28145669 pubmed.ncbi.nlm.nih.gov/28145669/.BACK TO TOP
Review Date: 5/3/2021
Reviewed By: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
Health Content Provider
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. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- 2023 A.D.A.M., a business unit of Ebix, Inc. Any duplication or distribution of the information contained herein is strictly prohibited.