Pregnant woman, pain in the left side of the abdomen, which organs are involved? Left abdominal pain during pregnancy can be related to multiple organs in the abdomen.

That pain in your right side—dull and lingering or sudden and sharp, you need to assess your symptoms stat.

Discover why that nagging pain in your left abdomen might signal serious health issues, and what medical experts say you can't afford to ignore.

Pain can occur on the left side of the body for many different reasons. Learn more about some of the causes and their treatment options here.

Ouch! You may know that pain in your lower right abdomen is infamously linked to appendicitis, but what about pain in your lower left abdomen? While it could simply be a muscle strain, it’s ...

A 68-year-old man with 1 week of bloating and constipation undergoes CT, which reveals Stanford type B aortic dissection ...

Stomach pain can mean many things, from harmless gas to serious infections. Here’s how to spot the type, understand the cause ...

Right sided chest pain can result from many different conditions and injuries. We look at 18 causes and when to contact a doctor.

Discover why your body favors one side with pain, from handedness to stress, and learn ways to ease discomfort.

Gastritis Gastritis, or inflammation of the stomach lining, can cause stomach pain that radiates up to the left side under the breast, Dr. Cutler says.

Find out what you need to know about abdominal pain during pregnancy, including digestive problems, strained muscles, and more.

Certain health issues only, or predominantly, appear on the left-hand side.