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A 29-year-old member asked:

What are the causes of lightheadedness usually?

1 doctor answer2 doctors weighed in
Dr. Aaron Haug
Neurology 14 years experience
Low blood to brain.: Light-headedness is usually caused by a decrease in blood flow to the brain. This can occur with position changes, such as standing up suddenly. It can also occur if blood counts are low, such as in anemia. Sometimes irregular heart beats can cause similar symptoms. Discuss your situation with your doctor.

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Last updated Nov 3, 2019

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