Hyperventilation
Hyperventilation can cause vertigo in some people, but it’s not the most common cause. To understand how hyperventilation can cause vertigo, you must be familiar with how the body regulates its oxygen intake.
If a person hyperventilates—breathing too rapidly and deeply—the body releases these calming hormones before returning to normal. This imbalance of hormones leads to a drop in blood pressure and potentially dizziness due to low blood pressure.
Hyperventilation causes dizziness for another reason: it causes a reduction in carbon dioxide levels in the lungs. To become dizzy, your body must adjust when confronted with altitude, temperature, or humidity changes. If you’re breathing too fast, you won’t have enough time for these changes to occur; as a result, you may begin to feel lightheaded or even faint.
