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Dizziness is an imprecise term that can refer to a sense of disorientation in space, vertigo, or lightheadedness. [1] It can also refer to disequilibrium [2] or a non-specific feeling, such as giddiness or foolishness. [3] Dizziness is a common medical complaint, affecting 20–30% of persons. [4]
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. The individual may also feel as though the room is "spinning" or moving . Most causes of lightheadedness are not serious and either cure themselves quickly or are easily ...
Causes of dizziness related to the ear are often characterized by vertigo (spinning) and nausea. Nystagmus (flickering of the eye, related to the Vestibulo-ocular reflex [VOR]) is often seen in patients with an acute peripheral cause of dizziness. [citation needed] Benign paroxysmal positional vertigo (BPPV) – The most common cause of vertigo ...
Dizziness is a broad term. It describes the feeling of being unsteady or having a lack of balance while on your feet. You can feel dizzy if you are feeling lightheaded or if things seem foggy .
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.
Several medical conditions – including diabetes, arthritis, Parkinson's disease, multiple sclerosis, neuropathy and thyroid issues – can lead to balancing problems as well. In such cases, an ...
Vertigo is a condition in which a person has the sensation that they are moving, or that objects around them are moving, when they are not. [1] Often it feels like a spinning or swaying movement. [ 1 ] [ 2 ] It may be associated with nausea , vomiting , perspiration , or difficulties walking. [ 2 ]
Orthostatic hypotension, also known as postural hypotension, [2] is a medical condition wherein a person's blood pressure drops when they are standing up (orthostasis) or sitting down. Primary orthostatic hypotension is also often referred to as neurogenic orthostatic hypotension. [ 3 ]