Top of the pageCheck Your Symptoms

Hyperventilation

Overview

Hyperventilation, Opens dialog is breathing that is deeper and more rapid than normal. It causes a decrease in the amount of a gas in the blood. (This gas is called carbon dioxide, or CO2.) The decrease may make you feel lightheaded. You may have a rapid heartbeat and be short of breath. It also can lead to numbness or tingling in your hands or feet, anxiety, Opens dialog, fainting, and sore chest muscles.

Some causes of sudden hyperventilation include anxiety, fever, some medicines, intense exercise, and emotional stress, Opens dialog. It also can occur because of problems caused by asthma or emphysema or after a head injury. But it occurs most often in people who are nervous or tense, breathe shallowly, and have other medical problems, such as lung diseases or panic disorder, Opens dialog. It occurs more often in women than men. Most people who have it are 15 to 55 years old. It may occur when people travel to elevations over 6000 ft (2000 m). Symptoms can be like ones from another more serious medical problem, such as a lung problem.

Acute (sudden) hyperventilation is usually triggered by acute stress, anxiety, or emotional upset. Chronic (recurring) hyperventilation may be a lasting problem for people with other diseases, such as asthma, emphysema, or lung cancer.

Many women have problems with hyperventilation when they are pregnant. But it usually goes away on its own after the baby is born.

In many cases, hyperventilation can be controlled by learning proper breathing techniques.

Symptoms of hyperventilation

Symptoms usually last 20 to 30 minutes. They may include:

  • Feeling anxious, nervous, or tense.
  • Frequent sighing or yawning.
  • Feeling that you can't get enough air (air hunger) or need to sit up to breathe.
  • A pounding and racing heartbeat.
  • Problems with balance, lightheadedness, Opens dialog, or vertigo, Opens dialog.
  • Numbness or tingling in the hands, feet, or around the mouth.
  • Chest tightness, fullness, pressure, tenderness, or pain.

Other symptoms may occur less often. You may not realize that they are directly related to hyperventilation. These symptoms can include:

  • Headache.
  • Gas, bloating, or burping.
  • Twitching.
  • Sweating.
  • Vision changes, such as blurred vision or tunnel vision.
  • Problems with concentration or memory.
  • Loss of consciousness, Opens dialog (fainting).

Hyperventilation isn't a disease. But you may need to be checked by your doctor if you keep having symptoms. If you have recurring symptoms, you might be diagnosed with a condition called hyperventilation syndrome (HVS).

Treatment for hyperventilation depends on the cause. Home treatment is usually all that's needed for mild symptoms. Medical treatment may be needed for hyperventilation symptoms that are moderate to severe, that last for a long time, that come back, or that interfere with your daily activities. Treatment usually includes reassurance, stress reduction measures, breathing lessons, or medicine.

Information about Hyperventilation

Current as of: July 31, 2024

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.