As soon as the head to the afternoon dizziness consider and tension headache, high blood pressure, vertebral artery cervical spondylosis and other factors, it is recommended to timely do the relevant examination, a clear diagnosis, to give the appropriate treatment. 1. Tension headache: due to the influence of agitation, tension, emotional anxiety and other triggering factors, there may be a dizziness in the afternoon. 2. High blood pressure: dizziness in the afternoon is also considered to be caused by high blood pressure, due to unstable blood pressure control, resulting in cerebral arteries, cerebral circulation disorders, triggering insufficient blood supply to the brain, dizziness will occur, and may also be accompanied by nausea, vomiting and other symptoms. 3. vertebral artery cervical spondylosis: a head to the afternoon on the dizziness is also considered to be cervical vertebral artery cervical spondylosis caused by cervical vertebrae, due to the cervical vertebrae bone, hook vertebral joints hyperplasia, on both sides of the vertebral artery stimulation and pressure, affecting the head of the blood supply, resulting in patients with insufficient blood supply to the brain, vertigo, or accompanied by a headache, and so on. Dizziness in the afternoon can be caused by a variety of factors, and it is recommended to consult a doctor in time for a clear diagnosis.