What can cause lightheadedness of the brain?

Answer 1

There are several conditions that can cause lightheadedness of the brain. Some of these include an acoustic neuroma, autoimmune inner ear disease, migraine associated vertigo, embolism, dehydration and hyperventilation.

Answer 2

The cause of lightheadedness, fainting, and similar symptoms is a lack of adequate blood pressure in the cerebral circulatory system.