Frequently Asked Questions on Oxygen Therapy


What is oxygen therapy?

Oxygen therapy is supplementing oxygen supply for someone who is not able to breathe in adequate amount of oxygen due to a medical reason. This can be owing to a lung disease, heart failure or related conditions.

Does one need a prescription for oxygen therapy?

Yes. For oxygen therapy, a doctor’s prescription is required because oxygen is a medical drug.

When is oxygen therapy required?

Oxygen therapy may be given to patients in hospitals and by first aiders in ambulance when a patient is in transit. In situation when an illness leads to hypoxemia, oxygen therapy may be required. Oxygen therapy is also required in the following circumstances:

  • Chronic obstructive pulmonary disease
  • Obstructive sleep apnea
  • Chronic asthma
  • Cystic fibrosis
  • Heart failure
  • Pulmonary hypertension
What are the different types of oxygen therapy systems?
Different types of oxygen therapy systems include compressed oxygen cylinders, oxygen concentrators and resuscitators.