Introduction
An unpleasant sensation of rapid breathing or difficulty breathing is known as breathlessness. People sometimes complain of feeling winded, puffed, or out of breath. Medically, it is called as dyspnea. Breathing may hurt and the person may feel tightness in the chest
Overview
Breathlessness or difficulty breathing may be suddenly or gradually experienced over a period of time. In breathlessness, the oxygen requirement increases,