What's the slight pain in the back of the left head?

If the patient has cervical spondylosis, it can cause cervical muscle spasms, contractions, and can also be manifested, including cervical curvature straightening, cervical hyperosteogeny, if necessary, check cervical MRI for a clear diagnosis, neck muscle massage therapy, traction therapy, and surgery if necessary. If the patient long-term look down at mobile phones, play computer or long-term desk work, may also cause, should reduce the time to look at mobile phones, play computer. In addition, may also be caused by hypertension, the disease patients can also show dizziness, nausea, vomiting, should monitor blood pressure, blood pressure should be adjusted when elevated, should also exclude intracranial organic lesions, if necessary, check brain MRI clear.