What are the most common causes of dizzyness no one can figure out why im dizzy when i stand up or walk have had every test they say anxiety 4 neurolo?

Postural hypotension: Dizziness when you stand up is called orthostatic hypotension as is due to sudden changes in the blood pressure.It require special test on a tilt table to diagnose.Of course the symptoms of dizziness have multiple causes that need to be ruled out from neurologycal diseases, to as simple as inner ear problems and infectios or inflamation of the special small ducts in the inner ear.

Dizziness: Dizziness can mean 1 of 2 things; lightheadedness & vertigo. Lightheadedness is feeling like you're about to faint or pass out & may get nauseated. It is relieved by lying down. It is not serious & usually is caused by drop of blood pressure or blood flow to head when u get up too fast. Vertigo is feeling like you or surroundings are moving, as if u r spinning or falling. It is most likely anxiety.