What's with the back of the head swelling?

Show back swelling may be related to cervical disease. If there is cervical disc herniation or curvature straightening, resulting in nerve root edema, will affect local blood circulation, resulting in insufficient blood supply to the brain, showing back swelling, normal and usual often bow activity, play computer games for too long or do computer work for a long time. Back swelling may be related to increased blood pressure or insufficient sleep time, excessive fatigue, mental work too much. Suffering from cerebrovascular diseases, such as cerebral infarction, cerebral thrombosis, cerebral hemorrhage, arachnoid hemorrhage, upper respiratory tract infection and other reasons, will show swelling or pain in the back of the head, dizziness, should go to the internal medicine department of the hospital to see a doctor, determine the cause, according to the cause of treatment.