The left rear of the head is jumping. What's going on?

A throbbing pain in the left rear of the head, possibly a pain in the left greater occipital nerve, mostly primary, the exact cause of which is unclear. The pain is usually tingling or throbbing, mainly symptomatic treatment, oral carbamazepine and phenytoin sodium. If the patient has cervical spondylosis, it may cause neck muscle spasms involving scalp nerves and vessels, and the patient may also show the above symptoms. In addition, it may be due to intracranial organic lesions, such as tumor patients, may cause the above symptoms. At the same time, the patient may also show some physical symptoms and signs, if necessary, check the brain MRI to confirm the diagnosis. It may also be an essential neuralgia, such as tension headache, the patient may also show. Increased blood pressure may also cause, if necessary, check the blood pressure. If elevated, blood pressure regulation treatment should be given.