From heart attacks to lung conditions, discover when chest pain demands immediate attention and the key differences between ...

And the pain is often felt on the left side, notes the Mayo Clinic. Chest pain, particularly if it develops suddenly and is on one side, is a common sign of pneumonia. But if you have pneumonia ...

Medically reviewed by Oliver Eng, MD Pain under the left breast could have many possible causes, such as a muscle strain, ...

Feeling pain under your left breast can be especially worrying. After all, important organs and structures sit on that side of the body, like your heart, left lung, stomach, spleen, esophagus ...

Irritable bowel syndrome (IBS) is a chronic bowel disorder that causes abdominal pain and altered bowel habits. Chest pain is another possible symptom that people with IBS may experience.

the lining that covers the outside of the lungs. The symptom of pleuritis that you may experience is severe, often sharp, stabbing pain in a specific area or areas of your chest. The pain, which is ...