Back pain reasons and solutions | Types of back pain For simplicity, back pains can be divided into mechanical, occupational, chemical imbalance, infection or tumor, fracture related back ache. Back pain can be localized, it can come from the back alone, from the spine or bone. It can referred from the abdomen or sometimes gall ball stone, appendicitis or gastritis can mimic the back pain. To note that only severe gastritis that acts on the food pipe or the stomach lining can refer to the mid ba