Dizziness, weakness, vomiting. What's going on?

Dizziness limbs weakness vomiting, consider the reasons are: hypertension and other diseases caused by increased intracranial pressure; or oneself suffer from cervical spondylosis, when cervical vertebra compression to vertebrobasilar artery, will cause cerebral blood supply deficiency, cerebral hypoxia symptoms, also will appear dizziness limbs weakness vomiting.