- Lightheadedness is the feeling of weakness and faintness as if you are about to pass out. The symptoms tend to be short-lived, depending on the cause. There may be associated nausea, sweating, and blurred vision.
- If the cause is dehydration or bleeding, the symptoms may be brought on by standing quickly and may resolve somewhat by lying down (orthostatic hypotension)
- Heart rhythm disturbances may occur without warning and may be associated with palpitations. This may come and go or it may persist. The heart beat may be felt as too fast (often described as a pounding), too slow, and/or irregular.
- Vertigo is the sensation of spinning and may present without warning and be associated with nausea and vomiting. People with inner ear problems may be unable to move without generating symptoms.
- People with a cerebellar cause of vertigo such as a stroke or tumor may have associated coordination problems or difficulty walking.
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