How is left half head aching to return a responsibility

There are many reasons for the pain in the left half of the head. The common causes are mainly the following aspects: 1. Migraine. The disease is mainly manifested as paroxysmal pain in one side of the head, accompanied by visual aura symptoms, with vascular pulsation, mostly seen in patients with mental stress and overwork. Taking Tianma Headache Tablets, Yangxue Qingnao Granules and other drugs can improve symptoms. 2. Herpes zoster. The disease is caused by herpes virus invasion, mainly manifested as knife-like or needle-like pain on one side of the head, pain symptoms do not exceed neutral, its skin has characteristic cluster water herpes, after antiviral and nutritional nerve treatment can alleviate symptoms. 3, trigeminal neuralgia. The disease is caused by nerve demyelination and is mainly manifested as knife-like pain on one side of the temple. The symptoms last from seconds to tens of seconds, usually no more than one minute. Anti-epileptic drugs such as carbamazepine and valproate are taken. Sodium can be treated symptomatically.