Lightheaded: The evaluation can be extensive, but start with a physical exam, electrocardiogram, and blood tests. Causes include anemia, dehydration, diabetes, heart disease, thyroid dysfunction, and several other conditions.
Answered 2/12/2014
4.5k views
Bp: Lightheadedness can be due to low blood pressure, anemia, very slow or very fast heart rate, certain medications, inner ear dysfunction and anxiety. Your physician should examine you to check for the cause.
Answered 12/18/2016
4.5k views
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