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Oxygen Therapy

Definition

Oxygen therapy is a method of passing extra oxygen to the lungs. It is done to increase the level of oxygen in your blood.

Lung Respiration
Lungs respiration
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Reasons for Procedure

Oxygen therapy is needed when you cannot get enough oxygen breathing normal air. It is most often needed because of a health problem or injury. Some common reasons that people need oxygen therapy include:

Possible Complications

Oxygen therapy is safe. There is an increased risk of fire around oxygen, but basic steps will help avoid this:

  • Keep the oxygen supply away from open flames.
  • Do not smoke. Do not allow anyone to smoke around you.

What to Expect

Prior to Procedure

Oxygen therapy is only given if you have low oxygen levels in your blood. Your blood oxygen levels will be measured. This can be done with a quick scan on your fingers.

A prescription for oxygen will be needed. The prescription will include:

  • How much oxygen is needed
  • How the oxygen will be given
  • When to use it

Description of the Procedure

Oxygen therapy is most often given with a nasal cannula or a facemask. A nasal cannula is a tube that is put just under your nostrils. If you have a stoma, oxygen can also be given through a tube directly to the stoma.

Oxygen may be delivered through 1 of 3 systems:

  • Concentrators—electrical device that pull oxygen from the air
  • Compressed gas systems—available in steel or aluminum tanks (including small tanks that can be carried)
  • Liquid systems—include both a large, stationary component and a smaller, portable component to carry oxygen

How Long Will It Take?

The amount of oxygen therapy is based on your condition. It may be needed for a few hours a day or 24 hours a day.

Will It Hurt?

Oxygen therapy is painless.

Call Your Doctor

Call your doctor if any of these occur:

  • Cough, trouble breathing, or chest pain
  • Gray/blue tint around eyes, lips, and gums
  • Trouble sleeping
  • Loss of appetite
  • You are having trouble delivering the oxygen

If you think you have an emergency, call for emergency medical services right away.

Revision Information

  • American Lung Association

    http://www.lung.org

  • Children's Health Network

    http://www.cpnonline.org

  • Canadian Lung Association

    http://www.lung.ca

  • Health Canada

    http://www.hc-sc.gc.ca

  • Bateman NT, Leach RM. ABC of oxygen. BMJ. 1998;317:798-801.

  • Bailey RE. Home oxygen therapy for treatment of patients with chronic obstructive pulmonary disease. Am Fam Physician. 2004;70(5). Available at http://www.aafp.org/afp/2004/0901/p864.html. Accessed December 22, 2014.

  • Oxygen therapy. American thoracic society website. Available at: http://patients.thoracic.org/information-series/en/resources/oxygen-therapy.pdf. Published 2005. Accessed December 22, 2014.

  • Supplemental oxygen. American Lung Association website. Available at: http://www.lung.org/lung-disease/copd/living-with-copd/supplemental-oxygen.html. Accessed December 22, 2014.