What is dizziness?
A person with dizziness has lightheadedness has the sensation that he or she may faint, pass out, or lose consciousness. Dizziness has many causes and is very common. Some common causes for lightheadedness include low blood pressure, dehydration, hypoglycemia, hyperventilation, and drug side effects.

What are the symptoms of dizziness?
Symptoms of dizziness depend on the underlying cause. Dizziness is most often described as lightheadedness or the feeling that one might pass out. Occasionally, dizziness is also used to describe a spinning sensation, called vertigo.

How does the doctor treat dizziness?
Treatment for dizziness depends on the underlying cause. Treatment may include fluids and medications.