Left back pain for half a month and no pain may be long-term strain, cold and other physiological factors; may also be cervical spondylosis, angina and other pathological factors.
1. Physiological factors: prolonged strain may lead to localized induced fasciitis pain in the left back, the symptoms of fasciitis can be relieved after reducing the intensity of labor, bed rest, and the pain disappears; in addition, the left side of the back after prolonged exposure to cold will lead to spasm of the local muscles, fascia, and the symptoms of pain, and the symptoms will be alleviated or disappeared after strengthening the warmth or simply applying hot compresses.
2. Cervical spondylosis: cervical spine degenerative disease caused by cervical spondylosis, may cause spinal nerve root or spinal cord nerve compression, the left side of the back of the pain symptoms, to reduce the long-term low head movement or change the position of the nerves to reduce the compression, there may be a disappearance of the pain.
3. angina: coronary artery ischemia induced angina pectoris may also appear in the left side of the back of the radioactive pain, labor intensity is reduced, after resting the myocardial oxygen supply, blood supply increased, myocardial cells ischemia, hypoxia environment to improve angina pectoris and the symptoms of the left side of the back pain will also disappear.
Left back pain for half a month and no pain may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.