Hyperventilation is a condition when a person starts breathing very fast, feels weak and dizzy, has a bloated stomach and dry mouth, and experiences chest pain and muscle spasm. Breathing out carbon dioxide too quickly contracts the blood vessels going towards the brain, leading to lightheadedness and a tingling sensation. Additional symptoms could be racing mind and difficulty in concentrating. One might even get unconscious.
Hyperventilation can occur during a panic attack that can be dangerous. It can both be a cause and effect of anxiety. It can occur due to fast breathing, thinking about breathing and breathing in an unhealthy manner. Read more