What is breathing difficulty?
Breathing difficulty, or shortness of breath, is the feeling that the act of breathing requires more effort than usual. Breathing difficulty is a common symptom of heart or lung disease. Breathing difficulty may occur at rest, be associated with exertion, occur only when lying flat, or cause waking in the middle of the night. A situation that triggers breathing difficulty can provide an important clue to the underlying cause.

What are the symptoms of breathing difficulty?
There are several important signs of severe breathing difficulty such as rapid respiratory rate, wheezing, rib retractions, nasal flaring, cyanosis, and use of accessory muscles.

How does the doctor treat breathing difficulty?
Treatment for breathing difficulty depends on the underlying cause. Options include oxygen, antibiotics, diuretics, and bronchodilators to reverse wheezing.