What is a common side effect of increased oxygen therapy?

Increased oxygen therapy can lead to dryness of the mucous membranes, which is a recognized side effect. When patients are administered supplemental oxygen, particularly through methods like high-flow nasal cannulas or non-rebreather masks, the flow of oxygen can cause moisture loss. This is because the oxygen delivered can be more concentrated and may not provide adequate humidity for the airway passages, resulting in dryness.

Maintaining mucosal hydration is important for respiratory function and comfort, as dry mucous membranes can lead to irritation, discomfort, and potential complications such as increased susceptibility to infections or respiratory distress. This highlights the importance of monitoring and potentially using humidification when providing high levels of oxygen therapy to mitigate this side effect effectively.