what are some causes of dizziness and lightheadedness
1 Some of the conditions that may cause lightheadedness in a patient include low blood pressure, high blood pressure, dehydration, medications, postural or orthostatic hypotension, diabetes, endocrine disorders, hyperventilation, heart conditions, and vasovagal syncope.ightheadedness is often caused by a decrease in blood supply to the brain, while vertigo may be caused by disturbances of the inner ear and the balance centers of the brain.
Dizziness has many possible causes, including inner ear disturbance, motion sickness and medication effects. Sometimes it's caused by an underlying health condition, such as poor circulation, infection or injury. The way dizziness makes you feel and your triggers provide clues for possible causes. Neurological conditions. 2  Some neurological disorders â such as Parkinson's disease and multiple sclerosis â can lead to progressive loss of balance. 3  Medications. 4  Dizziness can be a side effect of certain medications â such as anti-seizure drugs, antidepressants, sedatives and tranquilizers.