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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.
There are several diseases that can cause dizziness due to disturbances in blood flow throughout the body. It may not be specifically morning dizziness but it may be worse when standing up suddenly from a lying position or after sleeping. In fact just about any heart disease can lead to dizziness. Some of these conditions include: 1  Myocardial infarction (heart attack) 2  Aortic stenosis (heart valve disease) 3  Atrial fibrillation (arrhythmia) 4  Cardiac failure. 5  Pulmonary hypertension. 6  Supraventicular tachycardia.