Common causes of pain on the left side of the body include infection and injury to muscles, nerves, or internal organs, such as the heart, spleen, left lung or kidney, pancreas, and more.

many conditions that are not specific to your left-hand side (like ovarian cyst ruptures) can be felt on that half of your body. Pain in your left side does not mean you have any of the following ...

Cultural body language affects these patterns as well. Right-handed people tend to process negative emotions more on their left side, sometimes leading to increased left-sided pain during periods ...

The primary symptom is chest pain when taking a deep breath ... of an enlarged spleen is pain and discomfort in the upper left side of your abdomen. »Learn more about the symptoms, causes ...

Discover why headaches strike one side of your head, from migraines to nerve disorders, and learn the warning signs that ...

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 ...

It's easy to dismiss jaw pain as a dental issue but, just sometimes, it could be a sign of something more serious ...

but left arm pain particularly can sometimes be a sign of a serious problem with your heart — especially if it's accompanied by chest pain or tightness. That's because the heart and left arm ...