Sharp, aching pain that hits on the left side of your breastbone and gets worse when you breathe deeply or cough could be costochondritis—a condition marked by inflammation of the cartilage that ...
Symptoms can include sudden shortness of breath, sharp chest pain that can become ... for muscle or nerve-related causes of left-side chest pain,” she notes, but mostly, she recommends rest ...
In all CHD cases (179 patients) and all other etiologies (1032 patients), the pain is mainly situated in the left anterior thoracic region between the sternum and the anterior axillary line.