Most problems that can cause chest pain like costochondritis or a strained muscle can occur on the left or right side. However, pain on the left side of your chest can also be a sign of a heart ...
In fact, chest pain on the left side under the breast is more common because the heart, stomach, colon, spleen, and pancreas are located in the upper left region of your body, Dr. Wetter says.
Ross. “Physical therapy can also be helpful for muscle or nerve-related causes of left-side chest pain,” she notes, but mostly, she recommends rest for any strain-related causes of muscle pain.
Chest pain or discomfort: This may feel like pressure, squeezing, or fullness in the chest, typically on the left side or centre. The discomfort can last for minutes or fluctuate, sometimes ...