What's wrong with half-head neuralgia

The first cause may be a viral infection, especially herpes zoster virus infection, mainly affecting one side of the head, the patient may show obvious neuralgia on one side, and may also show herpes on the skin, herpes and pain do not cross the midline structure of the body. Antiviral drugs may be given to the patient, and B vitamins may be given to the patient. The second cause may be caused by trigeminal neuralgia, which can also show pain in the head and face, and the trigeminal nerve is locally compressed by blood vessels, mainly treated with antiepileptic drugs.