What Might Cause a Burning Sensation Under the Left Rib?

A burning sensation under the left rib is normally caused by organs that lie underneath, and might include spleen irritation, splenic fixture syndrome, costochondritis, a pinched nerve in the thoracic spine, a broken rib, pneumonia, pleuritis, pneumothorax, lung cancer, heart attack, spleen disorders like an enlarged spleen, angina pectoris, pancreatic cancer, pancreatitis, torn muscles, kidney diseases, chest or abdominal trauma, pericarditis, gastric ulcers, an aneurysm or herpes, as reported by HealthHype. The burning sensation or pain can also be attributed to psychological effects, like a neurotic heart; however, it is crucial that medical experts attempt to identify whether there are physical causes at fault first.