Moderate to Severe Difficulty Breathing in Adults and Older Children

Difficulty breathing can occur when the body's lungs or heart are not working well.

Moderate trouble breathing means:

  • It's hard to talk in full sentences.
  • It's hard to breathe with activity.

Severe trouble breathing means:

  • You cannot talk at all.
  • You have to work very hard to breathe.
  • You feel like you can't get enough air.
  • You do not feel alert or cannot think clearly.