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Lightheadedness is a common and typically unpleasant sensation of dizziness [1] or a feeling that one may faint. The sensation of lightheadedness can be short-lived, prolonged, or, rarely, recurring. In addition to dizziness, the individual may feel as though their head is weightless.
Feeling lightheaded can also be a sign of low blood sugar, Dr. Shaikh says. This happens because the brain isn’t getting enough glucose, which the brain needs for energy.
Many report lightheadedness (a feeling that one might be about to faint), sometimes severe, or even actual fainting with associated fall risk. [ 9 ] [ 10 ] [ 11 ] With chronic orthostatic hypotension, the condition and its effects may worsen even as fainting and many other symptoms become less frequent.
You can feel dizzy if you are feeling lightheaded or if things seem foggy. “Dizziness may be described by patients as feeling faint, like they’re going to pass out.
Presyncope is a feeling of lightheadedness or simply feeling faint. Syncope, by contrast, is actually fainting. A circulatory system deficiency, such as low blood pressure, can contribute to a feeling of dizziness when one suddenly stands up. [6]
Dizziness can be brought on by issues inside and outside of the brain. Here are all the possible triggers and what you can do about them, according to a doctor.
Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...
If you think a drug makes you sleepy, light-headed, or unfocused, tell your doctor. They may be able to switch you to a different medication or lower the dose. Challenge #4: Health conditions