Left and right chest pain back and forth may be pleurisy, intercostal neuritis and other causes, may also be neurosis, it is recommended to go to the hospital to clarify the cause of the disease under the guidance of the doctor for treatment. 1. Pleurisy: often caused by the spread of inflammation in the lungs and or trauma, patients usually have chest pain, coughing, chest pain and other symptoms, such as both sides of the lesion can show the symptoms of the left and right chest pain back and forth, can be under the guidance of the doctor, the use of cefaclor, penicillin and other medicines for the treatment of allergy patients are prohibited. 2. Intercostal neuritis: refers to the inflammation of the intercostal nerve caused by certain factors, usually caused by herpes zoster, but also by infection, nerve compression and other causes of neuroinflammation, usually by the back of the region radiating forward pain, burning pain, aggravated by coughing, can appear in the symptoms of the left and right back and forth chest pain. 3. Neurosis: the cause of the disease is not clear, may be related to heredity, tension, malnutrition, endocrine disorders and other factors. It can be manifested as long-term recurrent pain in a certain area, or back and forth pain in the left and right chest, but if you improve the relevant examination, you can not find any organic disease. It is recommended that patients control their diet, do not drink and smoke, eat more high-protein foods and vegetables and fruits, usually pay attention to rest and take good care of measures.