Middle back pain: Introduction. Middle back pain: Back pain in the middle back area. See detailed information below for a list of 31 causes of Middle back pain, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes. Â» Review Causes of Middle back pain: Causes | Symptom Checker Â» | Assessment Questionnaire Â».
A cardiologist explains possible causes of left side chest pain when exhaling. For this article I consulted with Dr. Donna P. Denier, MD, F.A.C.C., Faculty Clinical Cardiologist at South Nassau Communities Hospital, Oceanside, NY.
In these conditions, left sided chest pain may be seen after eating food or when lying down. Bone and muscle injuries, left sided muscular spasms, rib fractures on the left side can cause left sided chest pain. It may cause chest pain on movement, exercise or activity and may be relieved with rest. Nerve injuries, muscle strain causing nerve compression can sometimes lead to left sided chest pain.