Symptoms may include: 1  Aching or stiffness. 2  Sharp pain. 3  Radiculopathy. 4  Muscle spasms. 5  Numbness or tingling. 6  Chronic mid back pain (lasting more than three months)
Causes of Chest Pain on the Left Side. Many of the same causes as that of right side chest pain also needs to be considered in left chest pain. However the concern lies with left sided chest pain that may be a result of cardiovascular conditions like angina, a heart attack, pericarditis, pulmonary embolism or aortic dissection. Angina Pectoris.
Your stomach is located on the left side of your abdomen and can be filled up with gas when you swallow. These trapped gases can trigger nerve pain in the stomach which is experienced as sharp pain under left breast. Heart burn. Heart burn is a common cause of chest pain, particularly beneath the left breast. It is caused by stomach acid that travels up the esophagus and irritates the esophageal mucosa.