If you experience sudden or intermittent pain under your left rib cage or breast, especially after eating or while seated, ...

But when you have pain under your left breast ... that connects a rib to the breastbone, the Mayo Clinic explains. It usually impacts the upper ribs on the left-hand side of your body and can ...

A hard cough or sneeze can also cause pain in the space under your right rib cage. Severe or prolonged coughing may occur due ...